ballast water carried by ships is released near ports. why has this activity increased the potential for non-native aquatic species invasions?
Answers
Ballast water carried by ships is released near ports. Why has this activity increased the potential for invasions by non-native aquatic species? The regional species pool of non-native aquatic species has increased.
If organisms within a ship's ballast tanks survive the voyage to the next destination, they may be released with the ballast water into waters where they do not occur naturally. If these non-native organisms survive and spread throughout their new environment, they can become invasive species. Ballast water dispersal of invasive species refers to the unintentional introduction of invasive species into new habitats via ballast water carried by commercial vessels. Ballast water spreads some 7,000 living species to new habitats around the world.
Ships routinely take in ballast water to ensure stability and structural integrity. It can contain thousands of aquatic microbes, algae, and animals, which are then transported across the world's oceans and released into ecosystems where they are not native.
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Related Questions
which of these was the second of the major events that stimulated an increase in the size of the human population?
A) the advent of agriculture
B) the industrial revolution
C) the discovery of vaccines and the discovery of antibiotics
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The second major event that stimulated an increase in the size of the human population was B) the Industrial Revolution.
The advent of agriculture (A) was the first event, which allowed for the establishment of settled communities and a more stable food supply. This led to a gradual increase in population.
The Industrial Revolution, which began in the late 18th century, brought about significant technological advancements and improvements in infrastructure, such as the development of factories and efficient transportation systems. These innovations increased productivity and made essential goods more accessible, which in turn improved living standards and supported a higher population.
While the discovery of vaccines and antibiotics (C) has undoubtedly saved countless lives and contributed to population growth, this event took place after the Industrial Revolution. The widespread use of vaccines and antibiotics started in the 20th century, playing a crucial role in reducing mortality rates and allowing for a more rapid increase in population.
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having an accurate model of an atom is important except
a) it can help give information on how atoms work
b) learning about atoms will help create better organisms
c) we use the model to learn about how to create new things
d) it can help support the explanation of the origin of the universe.
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how is grass planted in mine reclamation? woven mats that include embedded grass seed are laid over the landscape. aerial drops of grass seed mixtures are laid over previously mined sites. an aqueous mixture of seed and chemicals are sprayed on the thin soil. it is not planted, rather the land will go through natural senescence. it is not planted; grass will not grow on reclaimed mines.
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The following steps are had in reclamation: the shaping of the land; the case of dirt or an endorsed reserve on the studied region; reseeding with local verdure, crops as well as trees; as oK as years of exact monitoring to guarantee success.
The process of restoring mined land to an ecologically and economically viable state is known as mine reclamation.
Reclamation, the process of closing a mine and recontouring, revegetating, and restoring the water and land values, is the final stage in most mine operations. The best opportunity to start the recovery cycle of a mine is before the first unearthings are started.
Grilling, accelerated runoff, low vegetation cover, erosion, and poor soil structure are all issues. A portion of these issues are because of bad quality design and unfortunate land farming however they are amplified by regular cycles.
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1. List the producers in this food web.
2.List the primary consumers in this food web.
3. List three secondary consumers.
4. List three tertiary consumers.
5. List two quaternary consumers.
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2. The primary consumers are the giraffe, rhino, bug, mouse, and deer.
3. Three secondary consumers are the bird, fox, and monkey.
4. Three tertiary consumers the skunk and whatever that thing is between the monkey and fox (the image is blurry).
5. Two quaternary consumers are the vulture and the monkey.
state three adaptations of aquatic plants to photosynthesis
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Aquatic plants have evolved aerenchyma tissue to transport oxygen from the surface to the roots, recycle carbon dioxide from cellular respiration to do photosynthesis, and keep the plant buoyant in water.Aquatic plants also use bicarbonate, which is more plentiful under water, as a carbon source.Structural adaptation, behavioural adaptation, and physiological adaptation.\(\tiny\pink{••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••}\)
Here is your answer:-
Have stomata on upper surface; - Large leaf surface to increase surface are for absorption of light.
What does the dna in multicellular organisms have in common with the dna in unicellular organisms?
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Unicellular and multi cellular organisms have some similarities and differences between them. The similarities between the two are listed below:
1.One big similarity between unicellular and multi cellular organisms is that the two of them are made up of cells.
2. The two organisms have similar genetic codes; both type of cells has DNA as hereditary material. The genetic code is universal and DNA sequence from a unicellular organism can be reproduced by a multi cellular organism and vice versa.
3. Both unicellular and multi cellular organisms have the same type of cell membrane. The cell membrane are made from phospholipids and they also incorporate different types of proteins.
4. Both organisms also have ribosomes in their cells. The ribosomes are responsible for the synthesis of proteins. Both cells synthesis proteins.
5. Both type of organisms have to obtain energy and nutrients to sustain their growth and energy.
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parasympathetic effects are localized and short-lived because:_____
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Parasympathetic effects are localized and short-lived because the parasympathetic nervous system functions through the release of acetylcholine, which has a rapid breakdown and limited diffusion range.
When the parasympathetic nervous system is activated, it releases acetylcholine as the neurotransmitter. Acetylcholine acts on specific receptors in the target tissues, such as smooth muscles, cardiac muscles, and glands, to elicit its effects. However, acetylcholine is rapidly broken down by the enzyme acetylcholinesterase, limiting its lifespan and preventing widespread distribution.
Additionally, the parasympathetic nervous system has a more localized and specific distribution of nerve fibers compared to the sympathetic nervous system. Parasympathetic fibers tend to have shorter axons, which means they target nearby tissues rather than distant organs. This localized innervation allows for precise control of specific organs or regions, resulting in focused and targeted effects.
Overall, the localized and short-lived nature of parasympathetic effects ensures that the responses are finely regulated and restricted to specific areas, promoting homeostasis and preventing excessive stimulation or inhibition throughout the body.
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The breakup of Yugoslavia resulted in genocide because
A. leaders of various groups struggled for power.
B. ethnic cultures came into conflict with one another.
C. economic instability caused deep class divisions.
D. power was equally divided between groups.
Pls pls pls help quick
Answers
Answer:
B
Explanation:
The breakup of Yugoslavia resulted in genocide because ethnic cultures came into conflict with one another.
How did Yugoslavia breakup?The Bosnian War was one of the chapters in the fragmentation of Yugoslavia, also marked by conflicts in Slovenia, Croatia and Kosovo throughout the 1990s. The Bosnian War took place in Bosnia between 1992 and 1995, during the process of fragmentation of the former Yugoslavia .
The new Yugoslavia consisted of six nations: Serbia, Croatia, Slovenia, Montenegro, Macedonia and Bosnia and Herzegovina. Between 1953 and 1980, Tito managed, through dictatorial power, to impose control over the different ethnic groups existing in the Balkans.
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Please help, Im very confused.
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Answer:it should b or c hope this helps let me know
Explanation: pls give me a brainliest
An unidentified element melt at -7-2 c and boils at 58C. What is its physical state at room temperature
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Put the following events that occur in a reflex arc in the correct order. Rank the options below. The motor neuron conducts action potentials through the anterior root and spinal nerve to an effector organ The motor neuron conducts action potentials through the anterior root and spinal nerve to an effector organ Open choices for matching The interneuron synapses with a motor neuron The interneuron synapses with a motor neuron Open choices for matching The sensory neuron synapses with an interneuron The sensory neuron synapses with an interneuron Open choices for matching A sensory neuron conducts action potentials through the nerve to the spinal cord A sensory neuron conducts action potentials through the nerve to the spinal cord Open choices for matching A sensory receptor detects a stimulus
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Answer: Please see the explanation column for answers
Explanation:
A reflex arc is a nerve or neural pathway that controls a reflex action giving fast response to a stimulus without the conscious act of the brain. Here, the sensory neurons receive stimulation then synapses or connects to spinal motor neurons nerve cells which then connects to muscle cells acting as effectors.
Ranking the events that occur in the reflex arc in correct order gives
1st ---- A sensory receptor detects a stimulus
2nd---A sensory neuron conducts action potentials through the nerve to the spinal cord
3rd----- The sensory neuron synapses with an interneuron
4th----- The interneuron synapses with a motor neuron
5th------- The motor neuron conducts action potentials through the anterior root and spinal nerve to an effector organ.
I NEEEDDD HELPPPPPPP
Answers
Answer:
25% red, 50% pink, 25% white
using the equation and as equals and i to determine how many staphylococcus aureus cells are present in custard
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Using the equation A = S × V, where A represents the number of Staphylococcus aureus cells present in custard, S denotes the concentration of cells, and V indicates the volume of custard, we can determine the quantity of Staphylococcus aureus cells in the custard.
By incorporating the concept of "i" or the infectivity factor, we can further refine the calculation to account for the ability of the bacteria to replicate and grow. The calculated value of A will provide an estimation of the population of Staphylococcus aureus cells in the custard.
To determine the number of Staphylococcus aureus cells in custard, we use the equation A = S × V, where A represents the number of cells, S is the concentration of cells, and V denotes the volume of custard. The concentration of cells is usually measured as colony-forming units per millilitre (CFU/ml), which indicates the number of viable bacterial cells. By multiplying the concentration (S) by the volume (V) of the custard, we obtain an estimate of the total number of cells (A) in the sample.
However, to account for the growth potential of Staphylococcus aureus, we can introduce the concept of the infectivity factor, denoted as "i". The infectivity factor represents the ability of bacteria to replicate and multiply. By incorporating "i" into the equation, we can refine our estimation of the Staphylococcus aureus population in the custard, considering the growth potential of the bacteria. Therefore, the revised equation becomes A = (S × V) × i.
Using this modified equation, we can calculate the number of Staphylococcus aureus cells present in custard, considering both the initial concentration of cells and their ability to replicate. It is important to note that obtaining accurate values for S (concentration), V (volume), and i (infectivity factor) is crucial for obtaining a reliable estimation of the bacterial population in the custard.
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In this assignment, you will explore types of tissue and use what you learn to answer some follow-up questions. Read the article and use the information to answer the following questions. Types of Tissues Name three types of connective tissue.
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Bone tissue, blood tissue, and adipose tissue are the three different forms of connective tissue.
What have you discovered regarding tissues?A group of cells with similar shapes and functions make up a tissue. Some of the major classifications of biological tissues are epithelial, connective, muscular, and nerve tissues. Epithelial tissues, which line bodily cavities and hollow organs and make up the majority of glandular tissue, cover all body surfaces.
What exactly are the four different types of tissues?The four basic types of tissue are connective tissue, epithelial tissue, muscle tissue, and nerve tissue. Connective tissue supports and holds together other tissues (bone, blood, and lymph tissues).
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Answer:
Explanation:
Any of the five
Read pls I need answers
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Primary production is limited in much of the open ocean by low levels of iron, which is a necessary phytoplankton nutrient. It has been suggested by some that pumps could be placed in these areas that would move iron rich sediments from the deep into the well-lit euphotic zone, thus stimulating phytoplankton blooms. What problem (human impact) do you think scientists would be trying to address with this biotechnological approach? Reduction in iron pollution in oceanic sediments Reduction of bycatch Reduction of the greenhouse gas carbon dioxide in the atmosphere Reduction of the human impact on marine species diversity
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Solution:
In the oceans, the primary producers are above all algae, which form phytoplankton. Phytoplankton is essential in the production of oxygen. In fact, more than 50 percent of the oxygen on our planet is produced in the sea through photosynthesis triggered by phytoplankton, an autotrophic microorganism that is essential for life on the planet.
Now, if iron is a fundamental nutrient for phytoplankton and scientists are working to make this nutrient more available for this photosynthetic microorganism, which can use carbon dioxide and generate oxygen in exchange, this is because they want to establish a reduction of the greenhouse gas carbon dioxide in the atmosphere.
So that, we can conclude that the correct answer is:
Reduction of the greenhouse gas carbon dioxide in the atmosphere.
PLEASE HELP ME WITH THESE QUESTIONS!!!!!
From the movie Outbreak.
1. What are two forms of virus that can be studied accurately using a light microscope?
2. What are two types of science equipment that are used to study Ebola?
3. What are two problems scientists face when trying to create vaccines for a virus?
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1. No, the virus can be seen under a light microscope.
2. DxC880i and ISTAT are two types of science equipment that are used to study Ebola.
3. The two problems scientists face when trying to create vaccines for a virus are:-
Vaccines are the simplest public fitness tool for controlling infectious sicknesses. notwithstanding extensive achievement, there is room for improvement in lots of cutting-edge vaccines and there is a massive quantity of the latest and re-rising pathogens for which we do not have powerful vaccines.Developing vaccines to fight present-day and future pathogens will require us to triumph over the ones demanding situations and the latest developments in genomic technology may offer the answers that we need.Light microscopy is a powerful tool for the detection and analysis of parasites, fungi, and prokaryotes, however, has been difficult to apply for the detection of individual virus particles. Unlabeled virus debris is too small to be visualized through the use of well-known visible light microscopy.
Polymerase chain response (PCR) is one of the most commonly used diagnostic methods because of its ability to locate low levels of the Ebola virus. The analysis of Ebola virus disease is predicated on the detection of viral RNA in blood by using actual-time reverse-transcription PCR.
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(Physical science! Help!)
Answers
Answer:
b
Explanation:
fibers that are flexible but resist stretching are called what
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Fibers that are flexible but resist stretching are called "tough fibers". What are fibers? Fibers are materials that are long, thin, and flexible.
They can be either natural or synthetic in origin. Natural fibers are derived from plants and animals, while synthetic fibers are man-made. Some of the most commonly used natural fibers include cotton, wool, and silk, while some of the most common synthetic fibers include nylon, polyester, and spandex.Tough fibersTough fibers are fibers that are flexible but resist stretching.
They are used in a variety of applications, including rope, cordage, and textiles. Some common examples of tough fibers include aramid fibers, such as Kevlar and Nomex, and ultra-high-molecular-weight polyethylene (UHMWPE) fibers, such as Dyneema and Spectra. These fibers have high tensile strength, meaning they are resistant to breaking under tension.
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The fibers that are flexible but resist stretching are called elastomers. A fiber is a flexible, fine filament or thread of natural or artificial material.
The term "fiber" usually refers to long, slender objects, such as a fiber optic cable or a biological fiber.A fiber is a substance that has a length that is much greater than its width. Fibers can be natural or man-made. They are used to make textiles, paper, plastics, and other materials. Elastomers are elastic materials that can be stretched and returned to their original shape. They are made up of long polymer chains that are coiled together like springs. These materials have excellent elastic properties and can be used in a variety of applications, including tires, gaskets, and seals.Elastomers are a class of polymers that have the property of elasticity. The name elastomer is derived from the words "elastic" and "polymer." These materials are characterized by a high degree of flexibility, low modulus, and good compression set. They are used in many applications, including automotive components, medical devices, and industrial products.The fibers that are flexible but resist stretching are called elastomers. These fibers are used in applications where flexibility and stretch resistance are essential, such as in medical devices and sports equipment.
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What part of the water cycle is biological of biotic?
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Answer:
Biotic and Abiotic Factors and Water Cycle. ABIOTIC FACTORS: Rock formations,fresh water streams,soil, hilly valleys,and weather. BIOTIC FACTORS: Any wildlife and plant life. The water cycle affects this biome because as there is little natural water sources animals drink rain water or puddles.
Explanation:
5. Why might a cell need to phagocytose?
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Answer:
Phagocytosis is a critical part of the immune system. ... By knowing the enemy, the cells of the immune system can specifically target similar particles circulating in the body. Another function of phagocytosis in the immune system is to ingest and destroy pathogens (like viruses and bacteria) and infected cells.
Explanation:
which of the following is a function of proteins? multiple choice enzymes digest cell waste main component of the cell membrane genetic material quick energy
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Enzymes is the correct answer.Proteins have various important functions in living organisms, including acting as enzymes.
Enzymes are proteins that catalyze biochemical reactions, including the digestion of cell waste. They facilitate and speed up chemical reactions in the body, making them essential for many metabolic processes. Proteins are not the main component of the cell membrane (phospholipids form the main component), nor are they genetic material (DNA and RNA are genetic material). While proteins can provide energy, they are not typically considered a source of quick energy. Carbohydrates and fats are more commonly used for quick energy production.
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Which is a function of a protein macromolecule?
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Answer:
A. Moves things in and out of cells
It’s able to move things in and out of the cells
light enters the eye and is converted by retinal cells into electrical signals that can be processed by the brain. this process is called ________.
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Light enters the eye and is converted by retinal cells into electrical signals that can be processed by the brain through the process which is called transduction.
What is the Eye?This is referred to as the specialized sense organ capable of receiving visual images, which are then carried to the brain.
Transduction on the other hand is referred to as the process in the eye whereby absorption of light in the retina is translated into electrical signals that ultimately reach the brain which therefore ensures that it functions appriopriately.
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how are genetically modified organisms used in biotechnology for medicine. please help me!
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Answer:
Genetically modified organisms (GMOs) are used in biotechnology for medicine to produce therapeutic proteins, such as insulin and growth hormone, and to create genetically modified cells for use in gene therapy. Additionally, GMOs are also used in the production of vaccines.
Answer: How? I shall explain...
Explanation:
So Biotechnology is the mix of natural sciences and engineering sciences in order to achieve applying organisms, cells and organic matter for products and services.
Think about if someones DNA has malfunctioned and the scientists need to change it. They use bio-engineered cells to go in the nucleolus of the cell and edit the DNA. (To the best of my tiny knowledge)
Scientists can't perform molecular sized operations for cells and organisms, so they use bio-engineered cells to do it. (Tell me if I'm wrong)
They can also create situations in contained environments to experiment with modified cells to see the results.
Prior to any modifications in an eukaryote, a transcribed RNA can be called Choose the TWO correct answers.
O siRNA
O tRNA
O rRNA
O mRNA
O hnRNA
O pre-mRNA
O IncRNA
O sחRNA
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Prior to any modifications in an eukaryote, a transcribed RNA can be called hnRNA and pre-mRNA.
What is eukaryote ?
A eukaryote is a type of organism that has a nucleus and other membrane-bound organelles.
Therefore, Prior to any modifications in an eukaryote, a transcribed RNA can be called hnRNA and pre-mRNA.
hnRNA stands for heterogeneous nuclear RNA. It is the initial transcript of a gene that has not yet been processed. hnRNA contains exons and introns, which are later spliced out to form mRNA.pre-mRNA stands for precursor messenger RNA. It is the processed form of hnRNA that has had the introns removed. Pre-mRNA is then exported from the nucleus to the cytoplasm, where it is translated into protein.Learn more about eukaryote here : brainly.com/question/30584795
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What chemical digestion occurs in the stomach? PLZZZZZ HELP MEEE with BIOLOGY!!!!
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Answer:
Explanation:
Protein digestion occurs in the stomach and the duodenum through the action of three main enzymes: pepsin, secreted by the stomach, and trypsin and chymotrypsin, secreted by the pancreas. During carbohydrate digestion the bonds between glucose molecules are broken by salivary and pancreatic amylase.
____ are unicellular organisms with no nucleus that can cause diseases and pain with toxins.
word bank: protists, antibiotics, infectious, bacteria, pathogen, viruses, fungi, vector, vaccine.
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which organism has the least energy grass--> rabbit--->raccoon---> wolf
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Answer:
The Wolf
Explanation:
Food chain follows a law called 10% Law.
It follows that the carnivores (secondary consumers) that feed on herbivores and detritivores and those that eat other carnivores (tertiary consumers) have the lowest amount of energy available to them.
Hence wolf has the least energy
The [blank] structures of the cytoskeleton would show the same patters of microtubules as a flagellum?
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Answer:
I believe the answer would be cilia
Explanation: