The brain and spinal cord are part of the _______ nervous system. The electrical charges that act as nervous signals are called _______. Jellyfish do not have a brain. Instead their nervous system is called a _______. After nervous systems began to develop in bilaterally symmetric animals, some developed ventral, or front, nerve cords, while chordates developed _______ nerve cords. Skeletons that allow for movement by using muscles and squeezing liquid to change the body shape are called _______ skeletons. _______ do not grow with arthropods, and so occasionally must be shed and regrown from chitin. Muscles move endo- and exoskeletons by _______. _______ is the joining of two gametes called sperm and egg. A fish that lays her eggs in a cluster is initiating _______ fertilization. _______ are an adaptation by reptiles to allow for reproduction and embryo development on land. Describe three different strategies used by three different animals to thermoregulate. If you see a snake coiled up in a sunny patch of grass, what can you probably conclude about the type of thermoregulator it is. Why?
Answers
The brain and spinal cord are part of the central nervous system.
The electrical charges that act as nervous signals are called action potentials or nerve impulses.
Jellyfish do not have a brain. Instead, their nervous system is called a nerve net.
After nervous systems began to develop in bilaterally symmetric animals, some developed ventral nerve cords, while chordates developed dorsal nerve cords.
Skeletons that allow for movement by using muscles and squeezing liquid to change the body shape are called hydrostatic skeletons.
Exoskeletons do not grow with arthropods, and so occasionally must be shed and regrown from chitin.
Muscles move endo- and exoskeletons by contracting and relaxing.
Fertilization is the joining of two gametes called sperm and egg.
A fish that lays her eggs in a cluster is initiating cluster or mass fertilization.
Amniotic eggs are an adaptation by reptiles to allow for reproduction and embryo development on land.
Describe three different strategies used by three different animals to thermoregulate.
Elephants: Elephants thermoregulate by using their large ears as cooling devices. They flap their ears to increase surface area and enhance heat loss through evaporative cooling.Desert Lizards: Desert lizards employ behavioral thermoregulation by basking in the sun to absorb heat and warming their bodies. They also retreat to shade or burrows to avoid excessive heat when needed.Penguins: Penguins have a unique thermoregulation strategy. They huddle together in large groups to conserve body heat and shield themselves from the cold Antarctic winds, effectively reducing heat loss and maintaining body temperature.If you see a snake coiled up in a sunny patch of grass, what can you probably conclude about the type of thermoregulator it is. Why?
If you see a snake coiled up in a sunny patch of grass, you can probably conclude that the snake is an ectotherm. Ectotherms rely on external heat sources, such as the sun, to regulate their body temperature. By basking in the sun, the snake absorbs heat, which helps raise its body temperature to a suitable level for proper physiological functioning.
Answer:
1. central
2. action potential
3. nerve net
4. dorsal
5. hydrostatic
6. Exoskeletons
7. contraction/contracting
8. Fertilization
9. external fertilization
10. Eggs
11. Animals with fur thermoregulate by panting. Winged birds will flap against their mouths/heads to dissipate heat. Humans will produce sweat to evaporatively cool. Polar bears have developed blubber. Bears drop body temperatures during hibernation.
12. Seeing a snake using the warmth of the sun leads us to conclude that it is likely a thermo conformer that cannot produce its own body heat.
Related Questions
Which general problems did Christian biologists in the 1700s struggle to understand?
Answers
Answer:
1.) rationalism, extinction, and biodiversity2.) extinction, homologies and biogeographic adaptation3.) naturalism, homologies and inheritance4.) racism, rationalism, and geneticshope it helps ya mate 0∆0. What are the two
main things that determine
climate?
Answers
Answer:
Hi.
↬ temperature and precipitation
Explanation:
↬ The yearly average temperature of the area is obviously important, but the yearly range in temperature is also important. Some areas have a much larger range between highest and lowest temperature than other areas.
answer the question please
Answers
The terms that are associated with the shaded area (red) around the Pacific Ocean, which includes El Misti, Lassen Peak, Mt. Fuji, and Tarawera are: Ring of Fire, Volcanoes, and Subduction
What is the Pacific Ring of Fire?The Pacific Ring of Fire is an area around the Pacific Ocean where many active volcanoes and earthquakes occur.
It is called the "Ring of Fire" because it is shaped like a horseshoe or ring and includes countries such as Japan, the Philippines, Indonesia, the United States, and Chile.
This area is characterized by frequent volcanic eruptions and earthquakes due to the movement and collision of tectonic plates.
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Complete question:
Select all of the terms that are associated with the shaded area (red) around the Pacific Ocean, that includes El Misti, Lassen Peak, Mt. Fuji, and Tarawera.
Ring of Fire
Divergent Boundary
Volcanoes
Hot Spot
Subduction
Design and organise learning experiences according to your local circumstances when teaching Processing (including traditional processing of raw materials; metal processing; food processing)
Answers
When teaching Processing, it is essential to design and organize learning experiences that align with local circumstances and provide practical applications.
Here is a suggested approach for teaching Processing, including traditional processing of raw materials, metal processing, and food processing, considering local circumstances:
1. Introduction and Contextualization:
Start by introducing the concept of processing and its importance in various industries. Provide examples of local raw materials, metals, and food products that undergo processing. Discuss the significance of processing in the local economy and its impact on society.
2. Field Trips and Industry Visits:
Arrange field trips to local processing facilities such as factories, mills, or food processing plants. These visits offer students firsthand exposure to different processing techniques and machinery. Encourage students to observe and interact with professionals in the field, asking questions and understanding the practical aspects of processing.
3. Hands-on Workshops:
Organize hands-on workshops where students can engage in practical activities related to processing. For example, set up a metalworking workshop where students can learn basic metal processing techniques like cutting, shaping, and welding. Provide guidance on safety measures and proper tool usage.
4. Local Case Studies:
Explore local case studies of successful processing businesses or initiatives. This could involve inviting guest speakers from local processing companies or inviting entrepreneurs who have started their own processing ventures. Students can learn about the challenges, opportunities, and sustainable practices in the local processing industry.
5. Project-Based Learning:
Assign project-based tasks that allow students to apply their knowledge of processing. For example, students could design and develop a prototype for a food processing machine or propose innovative methods to improve traditional processing techniques using local resources. Encourage creativity, critical thinking, and problem-solving skills throughout the project.
6. Community Engagement:
Encourage students to engage with the local community by organizing outreach programs related to processing. This could involve organizing workshops for local artisans or collaborating with local farmers to develop value-added food products. Such activities foster a sense of social responsibility and provide students with real-world experiences.
7. Assessment and Reflection:
Regularly assess student understanding through quizzes, assignments, and presentations. Encourage reflective practices where students can evaluate their own learning journey and identify areas for improvement. Incorporate feedback mechanisms to continuously enhance the learning experiences.
By designing learning experiences that incorporate field trips, hands-on workshops, local case studies, project-based learning, community engagement, and reflective practices, students will develop a holistic understanding of processing and its significance in their local context. This approach will equip them with practical skills, foster creativity, and promote an entrepreneurial mindset, preparing them for future opportunities in the processing industry.
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xWhich statement best describes diffusion?
A.
Diffusion requires the cell to use energy.
B.
Diffusion is an example of active transport.
C.
Diffusion occurs when particles spread from areas where they are less concentrated to areas where they are more concentrated.
D.
Diffusion occurs when particles spread from areas where they are more concentrated to areas where they are less concentrated.
Answers
Answer: Diffusion is the spread of particles from where they are more concentrated to where they are less concentrated
Explanation: When particles(solute) move from their higher concentration to their lower concentration it is called diffusion.
Diffusion is a passive process hence it does not require energy. It only requires a concentration gradient of particles to be present as it occurs along the concentration gradient.
diffusion stabilizes the number, movement & energy of solution on all sides.
What would happen to homeostasis in the kangaroo rat's body if it was unable to concentrate urine in its kidneys?
Answers
PLEASE HELP ANYONE PLEASE?!!!!!!!!
Answers
Answer:
Explanation:
C for 5
B for 6
Femur is part of skeletal
Triceps are just serveral muscles
Something to help you with muscles (a lot of muscles part end with “trep”
Deer mice are usually dark brown and live in forests with dark soil. However, the deer mice in the Sand Hills of Nebraska are lighter brown and live in an area with light, sandy soil.
Based on this information, what ,begin emphasis,most,end emphasis, likely caused the change in the Sand Hills deer mice?
Answer options with 4 options
A.
Lighter colored mice were preferred by females.
B.
Lighter colored mice came from snowy habitats in the north.
C.
Lighter colored mice had more dominant genes in their new habitat.
D.
Lighter colored mice were more likely to avoid predators and to reproduce.
Answers
Lighter colored mice were more likely to avoid predators and to reproduce. Therefore, option (D) is correct.
The lighter brown coloration of the deer mice in the Sand Hills of Nebraska is likely an adaptation that provides them with a survival advantage in their specific habitat. The light, sandy soil in the area may offer better camouflage for lighter colored mice, making them less visible to predators and increasing their chances of survival.
As a result, these mice would have a higher likelihood of successfully reproducing and passing on their lighter coloration traits to future generations.
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Which is part of the cell theory
Answers
Answer:
The first part states that all organisms are made of cells. The second part states that cells are the basic units of life. These parts were based on a conclusion made by Schwann and Matthias Schleiden in 1838, after comparing their observations of plant and animal cells.
Explanation:
if IT helped uh please mark me A BRAINLIEST :)) State one substance that leaves the blood as it flows through the tissues of the small intestine.
Answers
Answer:
Superior mesenteric artery.
The primary source of energy for the body is a form of sugar called glucose. It travels to cells all throughout the body after being absorbed into circulation from the small intestine.
Other chemicals that enter the circulation through the small intestine include the following:
Proteins' building components are amino acids.
The lipids' building components are fatty acids.
minerals and vitamins
Water
In an adult, the small intestine is a muscular tube that is roughly 20 feet long. It is situated in the belly, above the large intestine, and below the stomach. The bulk of digestion and nutritional absorption from meals occurs in the small intestine.
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Inez has two beakers that contain ethanol. One beaker contains 150 mL of liquid. The other beaker contains 300 mL of liquid. What can Inez expect to observe when she compares the properties of the liquid in the beakers.
Answers
The correct answer is B. The melting point of the liquid in each beaker is the same.
Since both beakers contain ethanol, Inez can expect the liquids in the beakers to have the same chemical properties, such as the molecular structure, boiling point, and density that are present in option A.
What is ethanol?If Inez adds a small object (like a grape or a paper clip) to each beaker, she may observe that the object sinks faster in the beaker with the smaller volume of liquid as there is less liquid to displace, and many factors like density and surface area play an important role in this, as the liquid in the larger beaker will be more massive and may feel heavier than the liquid in the smaller beaker, and if Inez were to leave both beakers out in the open air, the ethanol in both beakers would eventually evaporate, but at different rates.
Hence, Inez can expect the liquids in the beakers to have the same chemical properties, such as the molecular structure, boiling point, and density, that are present in option A.
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question is incomplete, complete question is below
Inez has two beakers that contain ethanol. One beaker contains 150 mL of liquid. The other beaker contains 300 mL of liquid. What can Inez expect to observe when she compares the properties of the liquid in the beakers.
A)to have the same chemical properties, such as the molecular structure, boiling point, and density
B)to have the different chemical properties, such as the molecular structure, boiling point, and density
5514998054 ps:- 123456
Answers
Answer:
What is this for don't get it
What is one element a topographic map shows?
Please help I have no idea
Answers
Answer:
plants
Explanation:
the is water everywhere
Answer: landforms
Explanation:
PLS HELP how does gene knockout work?
Answers
Choose the statements that accurately describe the
feeding relationships in this food web Check all that
apply
The ofter is a secondary consumer
The frog is a secondary consumer
The algae are producers
The flies are primary consumers,
The snails are primary consumers.
The heron is a secondary consumer
Answers
Answer:
The algae are producers.
The snails are primary consumers.
Herons is a secondary consumer.
Explanation:
Food web is the interconnection of different food chains in the ecosystem and it represent the different feeding relationships between organism in the ecosystem.
From the question,
Algae is a primary producer because it has the ability to produce food.
Algae have chlorophyii, a green pigment which trap light energy from the sun and uses carbondioxide and water to produce food which other organism depend on.
Snail is a primary consumer because it's depend on algae for food. Snails feed on algae because they cannot produce their own food.
Heron is a secondary consumer because it feed on snails. They feed directly in snails to obtain their energy requirement for survival.
Answer:
The frog is a secondary consumer
the algae are producers
the files are primary consumers
the snails are primary consumers
Explanation:
trust me im right did the test got it right the person above is wrong
Use your understanding of natural selection to explain how the mutations that occurred on Mc1r lead to the evolution of the rock pocket mouse?
Answers
Explanation:
The evolution of the rock pocket mouse is a great example of how natural selection can lead to the adaptation of a species to its environment. The mutations that occurred on the Mc1r gene allowed some individuals of the population to have a different fur coloration than the rest of the population. This new fur coloration provided a selective advantage to the mice living in the darker volcanic rock environment.
The darker fur of the rock pocket mouse provided camouflage against predators, allowing them to blend in with the dark rocks and avoid being seen. This made them less likely to be preyed upon by predators such as owls and snakes, which hunt by sight. As a result, the mice with the darker fur were more likely to survive and pass on their genes to the next generation.
Over time, as the population of the rock pocket mouse continued to be exposed to predation, the proportion of individuals with the darker fur coloration increased. This is because the individuals with the darker fur coloration were more likely to survive and reproduce, passing on their advantageous traits to their offspring. Eventually, the population became dominated by individuals with the darker fur coloration, and the rock pocket mouse became a distinct species.
This process, in which mutations that provide a selective advantage become more common in a population over time, is known as natural selection. In the case of the rock pocket mouse, the mutations that occurred on the Mc1r gene allowed the mice to adapt to their environment and avoid predation, ultimately leading to the evolution of a new species.
What are the stages of bee development (eggs,larvae,pupae)
Answers
The stages of bee development are egg, larva, pupa, and adult. Eggs hatch into larvae, which then transform into pupae. Finally, adult bees emerge and undergo further maturation.
The stages of bee development are:
1. Egg: The bee life cycle begins when the queen bee lays an egg in a honeycomb cell.
2. Larva: The egg hatches into a larva, which is a legless, grub-like creature. The larva is fed a special diet called royal jelly, which stimulates its growth.
3. Pupa: The larva undergoes metamorphosis and transforms into a pupa. Inside the sealed cell, the pupa undergoes various changes, developing into an adult bee.
4. Adult Bee: After completing the pupal stage, the fully developed adult bee emerges from the cell. The bee then undergoes further maturation, such as its exoskeleton hardening, wings expanding, and adult coloration appearing.
It's important to note that there are three castes of bees: queen, worker, and drone. The development process for each caste is similar, but the diet and size of the cells they are raised in differ, leading to their distinct roles within the colony.
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1. How is a food chain different from a food pyramid?
Answers
Answer:
What are some differences between a food chain, web, or energy pyramid? Food chains show a limited feeding relationship between only a few organisms. Energy pyramid is the visual representation of the amount of energy, population, or biomass at each trophic level.
Answer:
A food chain represents the linear relationship between organisms for food. On the other hand, a food pyramid represents the optimal number of servings to be eaten each day from each of the basic food groups
Explanation:
Which cycle is shown in the diagram above?
D
Water
Vapor
B
A
Answers
Answer:
water cycle
Explanation:
a water cycle, also known as the hydrologic cycle or hydrological cycle, is a biogeochemical cycle that describes the continuous movement of water on, above, or below the surface of the earth.
label the trna and mrna with the appropriate terms. also, determine the correct sequence of bases for trna and the correct amino acid for the trna (refer to the genetic code to determine the amino acid that is coded). there are six targets total. you will not use all of the terms
Answers
Labeling trna and mrna with appropriate terms is important for understanding how genetic information is encoded and translated. The correct sequence of bases for trna and the correct amino acid for trna must be determined in order to accurately carry out the translation process.
Trna is a type of RNA (ribonucleic acid) molecule that is responsible for transferring amino acids to the ribosome during translation. It has a specific sequence of three bases, known as the anticodon, that pairs with the corresponding codon on the mrna. The trna also carries an amino acid that is specific to the codon on the mrna.
Mrna is another type of RNA molecule that carries genetic information in the form of codons. Each codon is a sequence of three bases that codes for a specific amino acid. When the trna carrying the corresponding anticodon pairs with the codon on the mrna, the trna is able to bring the amino acid and pair it with the codon on the mrna.
To determine the correct sequence of bases for trna and the correct amino acid for the trna, the genetic code must be consulted. For example, if the codon on the mrna is AUG, the corresponding trna sequence would be UAC and the corresponding amino acid would be methionine.
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how are human muscle cells different from the other cells
Answers
Human muscle cells are different from the other cells because these cells has multinucleated nature.
Why muscle cells are different in structure?The most obvious difference between muscle cells and the majority of other cells is their multinuclear nature. Depending on its size, a separate fiber may contain hundreds of nuclei. They are located just beneath the sarcolemma and seem to be randomly issued along the length of the fiber.
A single muscle cell contains many nuclei, which are thumbs against the cell membrane. A muscle cell is a long cell compared to other forms of cells, and many muscle cells join together to form the long fibers found in muscle tissue.
So we can conclude that Muscle cells are usually known as myocytes, are the cells that makeup muscle tissue.
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What are some costs of social behavior?
Answers
Answer:
Social behavior is behavior among two or more organisms within the same species, and encompasses any behavior in which one member affects the other. This is due to an interaction among those members. Social behavior can be seen as similar to an exchange of goods, with the expectation that when you give, you will receive the same. This behavior can be affected by both the qualities of the individual and the environmental (situational) factors. Therefore, social behavior arises as a result of an interaction between the two—the organism and its environment. This means that, in regards to humans, social behavior can be determined by both the individual characteristics of the person, and the situation they are in.
Explanation:
Prokaryotic cells ________. (Choose all that apply.)
Group of answer choices
1. are very large.
2. are less complex.
3. have many unique organelles.
4. make up animals and humans.
5. are always unicellular.
6. do not have a nucleus.
Answers
Answer:
3
Explanation:
This feature is called in the folded mountain range
Answers
True. The feature is called in the folded mountain range.
What is folded mountain range?
A folded mountain range is a type of mountain range that forms as a result of tectonic activity, specifically from the collision of two or more tectonic plates. When two plates collide, the force and pressure can cause the layers of rock in the Earth's crust to fold and buckle, creating a series of parallel ridges and valleys. Over time, erosion and weathering can shape these ridges and valleys into the recognizable peaks and valleys of a mountain range.
Examples of folded mountain ranges include the Himalayas, the Andes, the Alps, and the Appalachians. These mountain ranges are characterized by their long, linear ridges and valleys, and are typically found near the boundaries of tectonic plates. The formation of folded mountain ranges is a slow process that can take millions of years, and the resulting mountains can be some of the highest and most dramatic on Earth.
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Which is abiotic? A.tree sap B.insect C.sunlight D.tree stump
Answers
Answer:
The answer is C. sunlight
Explanation:
Answer:
C // Sunlight.
Explanation:
Sunlight is the proper answer to this question, as it is a non-living, and has no live factors. So, Sunlight would be abiotic.
What are Physical characteristics of an organism not genetically passed down called?
Answers
According to the research, the correct answer is phenotype. The physical characteristics of an organism not genetically passed down are called phenotype.
What is phenotype?It is the observable property in an organism, the result of the interaction between its genotype and the environment in which it is expressed.
In this sense, these physical and morphological characteristics are manifestations of hereditary content that have undergone certain changes due to the influence of the environment.
Therefore, we can conclude that phenotype are the physical characteristics of an organism, product of the expression of the genotype and the conditions of the determined environment.
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Question 17 (5 points) are the fou Cell proliferation, cell differentiation, cell-cell interactions, and crucial steps all cells in a multicellular organism must undergo. tissue balance London dispersion forces cell memory cell movement
Answers
Answer:
Cell Movement
Explanation:
The four crucial steps for the cells of a multicellular organism are cell proliferation, cell specialization and differentiation, cell-cell interactions, and cell movement. An organism’s cells must undergo these steps in order for proper cell and tissue development to occur. In a developing embryo, all these steps are occurring at once in a variety of ways in different parts of the organism.
what is the resting phase of the cell cycle called?
A. Prometaphase
B. Mitosis
C. Interphase
Answers
The resting phase of the cell cycle is called interphase.
Interphase is a critical stage in the cell cycle during which the cell prepares for division by going through different activities such as growth, DNA replication, and protein and organelle production. It is the longest phase of the cell cycle and is separated into three subphases: G1 (Gap 1), S (Synthesis), and G2 (Gap 2).
The cell develops in size, synthesises RNA and proteins, and performs its regular duties during the G1 phase. The cell enters the S phase after passing through the G1 checkpoint. The DNA of the cell is reproduced during the S phase, resulting in the production of two identical copies of each chromosome.
This ensures that during cell division, each daughter cell receives a complete set of genetic material. The cell enters the G2 phase after DNA replication, where it continues to expand and prepares for mitosis.
Interphase is not a real resting phase because the cell is actively engaged in multiple cellular functions. However, because the cell is not visibly dividing at this period, it is commonly referred to as the resting phase.
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A patient with a heart pacemaker received antibiotic therapy for streptococcal bacteremia (bacteria in the blood). One month later, he was treated for recurrence of the bacteremia. When he returned six weeks later, again with bacteremia, the physician recommended replacing the pacemaker. Why did this cure his condition?
Answers
The physician recommended replacing the pacemaker because it was likely serving as the source of recurrent bacteremia. In some cases, bacteria can form a biofilm on the surface of medical devices, including pacemakers. This biofilm can act as a source of persistent infection, leading to recurrent bacteremia even after antibiotic therapy.
Despite receiving antibiotic therapy for the initial episode of streptococcal bacteremia, the bacteria may have remained on the surface of the pacemaker or in the surrounding tissue. This can result in a new infection and subsequent recurrence of bacteremia.
Replacing the pacemaker removes the potential source of infection, allowing for the elimination of the persistent bacteria. By removing the infected pacemaker and implanting a new one, the patient has a higher chance of clearing the infection and preventing further episodes of bacteremia.
It's important to note that the decision to replace the pacemaker would be based on the specific circumstances of the patient's case and the physician's assessment of the risk and benefits of the procedure. The physician would consider factors such as the severity of the infection, the patient's overall health, and the potential complications associated with pacemaker replacement.
Can you help me solve this
Answers
Answer:
I think is 1 and 3
Explanation: