Need help with biology

Answer:

b

Explanation:

heterotrophs animal

Answer:

Bone marrow is the spongy tissue inside some of your bones, such as your hip and thigh bones. It contains stem cells. The stem cells can develop into the red blood cells that carry oxygen through your body, the white blood cells that fight infections, and the platelets that help with blood clotting.

Answer:

Bone marrow is a spongy tissue found inside bones.

Red bone marrow involves the production of blood cells. Yellow bone marrow produces cartilage and is important for fat storage.

Unraveling past climate changes is important because it helps us to understand the causes and consequences of climate change.

Climate change refers to the long-term changes in temperature and weather patterns. These may be natural or man-made changes.

Some examples of climate changes include sea level rise, rapid loss of ice mass loss in Greenland, Antarctica, and the Arctic, changes in floral and plant blossoming, and extreme weather occurrences.

Some methods by which past climate changes can be detected include:

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Complete question:

Explain why unraveling past climate changes is important and discuss several ways in which such changes are detected.

Answer:

Answer: Hewo, there!  your Answer is Below

29.5 Or 30 Days

Explanation:

all lunar calendar months approximate the mean length of the synodic month, the average period the Moon takes to cycle through its phases (new, first quarter, full, last quarter) and back again: 29–30 days.

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The best summary of the outcome of Redi's experiment is that the experiment provided evidence against spontaneous generation by demonstrating that maggots do not spontaneously generate from decaying meat when it is isolated from flies.

Francesco Redi conducted an experiment in the 17th century to challenge the prevailing belief in spontaneous generation, which proposed that living organisms could arise spontaneously from non-living matter.

In his experiment, Redi set up two groups of jars containing meat. One group was covered with gauze to prevent flies from accessing the meat, while the other group was left uncovered.

Over time, Redi observed that maggots appeared only in the uncovered jars where flies had access to the meat, while the covered jars remained free of maggots.

This led Redi to conclude that maggots were the offspring of flies and did not arise spontaneously from the meat.

His experiment provided empirical evidence against the theory of spontaneous generation and contributed to the development of the concept of biogenesis, which states that living organisms come from pre-existing living organisms.

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Answer:the nucleus Of all eukaryotic organelles, the nucleus is perhaps the most critical. In fact, the mere presence of a nucleus is considered one of the defining features of a eukaryotic cell. This structure is so important because it is the site at which the cell's DNA is housed and the process of interpreting it begins.

Explanation:

Sustainable living is the attempt to reduce the use of natural resources like fossil fuels, forests, and others by the human society so that these resources remain available for future generation.

It is associated with maintaining the balance in the ecological, economical and societal needs to lead a healthy lifestyle. As it mainly emphasizes over the protection of the environment then it is also called as green living.

An individual  who pursues a lifestyle where he/she is concerned of using the resources in a limited quantity so the basic requirement of his/her is fulfilled along with preserving the remaining resources for the coming generation so that their basic requirements could be met, is following a sustainable living.

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F is photosynthesis

Matter is conserved in this process because the process can be shown by a chemical reaction equation

This process is a recycling of carbon because it involves the extraction of carbon from the atmosphere into the biosphere.

It is through photosynthesis that matter is conserved. Plants and certain other creatures use photosynthesis to transform atmospheric carbon dioxide  into glucose and other organic molecules. In this process, sunlight's energy is absorbed, and as a consequence, oxygen is released.

The conservation of matter is the idea that during chemical interactions, matter is only altered or reorganized, not created or destroyed.

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Several factors were important for the extinction of mammoths to mastodons, and natural selection of the elephant, mainly the ecosystem they lived in and the search for food.

The mammoth is an animal that was once extinct and belonged to the genus Mammuthus and the family Elephantidae which included the proboscidians. Elephants differ from mammoths in that mammoths had their bodies covered with hair. Also, elephants are slightly smaller than mammoths.

Both were herbivores, but the mastodons had conical-shaped teeth designed to crush leaves and branches more easily. Mammoths had rough molars, allowing them to cut through vegetation and graze like modern elephants.

Whit this information, we can conclude that several factors were important for the extinction of mammoths to mastodons, and natural selection of the elephant, mainly the ecosystem they lived in and the search for food.

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Answer: B C E

Explanation: Usatestprep

Biology is the branch of science.

Human biology is the branch of biology that focuses on human beings and human population.

Social biology is the branch of biology that is the study of social behaviour of animal and human.

Answer:

Biology is the study of living things.

Social biology studies human and animal behaviour.

:):):):):):):):):):):):):):):):):):):):):):):)

Explanation:

They would all have one cell with smaller parts that do different jobs within the cell.

A cross between a red and a white animal would result in all of its offspring having both red and white spots.

Codominant inheritance occurs whenever a heterozygote produces both copies of a gene pair. Thus, the phenotype of the offspring combines this same phenotypes of the its parents.

The characteristic is therefore neither recessive nor dominant. Those with type AB blood serve as an example of the codominance of people. A individual who inherits both IA and IB will have form AB blood because they are codominant and would be expressed together as a result.

The crimson flower to white spots on it and the creatures with black and white jackets are two much farther examples of codominance.

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Explanation:

Gene therapy involves altering the genes inside your body's cells in an effort to treat or stop disease. Genes contain your DNA — the code that controls much of your body's form and function, from making you grow taller to regulating your body systems

Gene therapy is a medical field which focuses on the utilization of the therapeutic delivery of nucleic acids into a patient's cells as a drug to treat disease. 

The order of reptiles that have their nose and head pointed like a bird's beak is the Rhynochocephalia.

Answer:

The correct option is C 32%

According to Chargaff’s rule in a DNA molecule A = T and G = C and A + G + C + T = 100%. Here cytosine (C) is 18% hence G = 18%

∴

A + T = (100 – 36)%

∴

A + T = 64%

∴

A = 32%

Explanation:

Answer:

+4

Explanation:

The electric charge in this atom is 0. The correct option is B.

An electrical charge occurs in a matter atom when the number of protons in the nucleus differs from the number of electrons surrounding that nucleus.

The atom has a negative charge if there are more electrons than protons. a matter of fact.

When charged matter is placed in an electromagnetic field, it experiences a force due to its physical property of electric charge.

A positive or negative electric charge can exist. Like charges repel one another, while unlike charges attract one another.

In the given image, the number of protons are equal to number of electrons, so it can be said that the net charge of the atom is 0.

Thus, the correct option is B.

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Plants stored carbon in their tissues to use as energy and plants took in carbon dioxide and released oxygen through photosynthesis. Thus, the correct option is A and D.

The carbon cycle is the ongoing process through which carbon atoms move back and forth between the atmosphere and the Earth. The amount of carbon in this system does not fluctuate because our planet and its atmosphere are a closed environment. The location of the carbon, whether it is on Earth or in the atmosphere, is continually changing.

Plants use photosynthesis to transport carbon from the atmosphere into the biosphere and move it up the food chain. They make sugar molecules by chemically combining carbon dioxide with oxygen and hydrogen from water using solar energy.

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When the digestive system is affevted by a disease or infection it's effects on the body would be the clinical manifestations which are observed.

Digestive system is defined as the system that breaks down food substances in such a way that it can easily be absorbed into the body system.

This digestive system can be affected by diseases and infections such as the following:

When the digestive system is affected by a disease or infection it's effects on the body would be the clinical manifestations which are observed. Such clinical manifestations include the following:

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The epidermal hyperplasia and an increase in the epidermal turnover is Psoriasis.

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Answer: BY Exercise. Or by morning waly

Explanation:beacuse due to walk our blood flow rapidly and provide more boold to brain and spinal cord. Which helps go keep our nervous system healty

Answer:

the only cephalopod with an external shell is A. nautilus

Answer:

a. nautilus

Explanation:

Nautiluses are the only cephalopod with an external shell.

Answer:

food is edible

Explanation:

non food is not

Answer:

A population is a collection of people belonging to the same species who are present in the same location at the same time and carry out common functions. For instance, the population of humans is made up of all the people who are present at a certain location and time.

(a) Birth rate: The ratio of live births to population is known as the birth rate. It is stated as the number of people added to the population as a percentage of the population as a whole.

(b) Death rate: This term refers to the ratio of deaths to population in a given area. It is referred to as the loss of individuals relative to population members.

(c) Age Distribution: This refers to the proportion of people in a population who are different ages. A population is made up of people who are present in different age groups at any one time. Age pyramids are a frequent way to visualize the pattern of age distribution.

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Answer:

You did not include the images however, it should be one that shows the cells swells as a result of Osmosis.

Osmosis is the process by which molecules from a solvent with a lower concentration of concentrate enter into a solvent with a higher concentration through a semi-permeable membrane.

A solution with less concentrate than the cell is said to be Hypotonic.

In this instance, the cell has the higher concentration of salt so water(assuming the solution has water) molecules will move from the solution into the cell. This will cause the cell to swell.

The picture attached shows a red blood cell in different solutions. The Hypotonic solution is how a cell looks in a solution with more concentrate than it.

the microfilarae will suddenly die

The organism that is most likely to carry out the process shown in the diagram is Calla lily (option D).

Cellular respiration is the process by which cells obtain chemical energy by the consumption of oxygen and the release of carbon dioxide.

According to this question, a diagrammatic representation of cellular respiration is given in the above chart. Based on the chart, chloroplast is included to release oxygen gas needed for respiration.

Only green plants possess chloroplast used for photosynthesis, hence, Cana lily is the most likely organism to carry out the above process.

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