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monitta
2 years ago
8

What is the value of 7C2? A. 15 o B. 21 O C. 42 O D. 49 The answer

Biology
1 answer:
VikaD [51]2 years ago
5 0
B) 21:) hope this helps<33
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When a fish swims from salt water into fresh water, its cells react by:
Sever21 [200]

When a fish swims from salt water into fresh water its cells react by losing water and shrinking.​ The correct option is D.

<h3>What is fresh water?</h3>

Glaciers, lakes, reservoirs, ponds, rivers, streams, wetlands, and even groundwater contain fresh water.

These freshwater habitats cover less than 1% of the world's total surface area but are home to 10% of all known animals and up to 40% of all known fish species.

When a fish swims from salt water into fresh water its cells react by losing water and shrinking due to osmosis.​

Thus, the correct option is D.

For more details regarding fresh water, visit:

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6 0
2 years ago
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What distribution of phenotypes would be expected for a polygenic trait?
rewona [7]
 The number of phenotypes produced for a given trait depends on how many genes control the trait. Anyhow, The distribution of phenotypes for a typical polygenic trait can often be expressed as a bell-shaped curve.

Many traits are controlled by two or more genes and are, therefore, called polygenic traits<span>. Each gene of a polygenic trait often has two or more alleles. As a result, one polygenic trait can have many possible genotypes and phenotypes.</span>
4 0
3 years ago
What are some possible consequences if transgenic salmon escape from their pens into the ocean population?
babunello [35]

Answer:

If the transgenic salmon escapes from their pens into the ocean population there are chances that they would compete with the wild salmons for food and space. They may also bring new diseases and changes to the food webs and ecosystem of the ocean.

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A transgenic organism or genetically modified organism is the one that undergoes alternation through recombinant DNA technology.

No, I do not think that FDA should approve Aquabounty of growing and selling transgenic salmon since there is higher chance that they may interfere and disturb with the ecosystem and might also bring new diseases.

4 0
3 years ago
Ned is designing an experiment to test which hand sanitizer kills the most E. coli bacteria. In order for Ned's results to be va
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Have a control. You have to have something to compare your experimental results or else your results could be random chance. 

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3 years ago
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How do biological organisms use energy worksheet answer key?
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<span>First, chemical energy from organic molecules is used to make ATP (Adenosine triphosphate) in cellular respiration, after which ATP provides energy for biological processes.</span>
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2 years ago
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