A <span>peninsula is a "is a piece of land that is surrounded by water." Peninsulas are also known as islands because these are small pieces of land that are surrounded by water for example Hawaii, The Caribbean, etc...
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Bioaccumulation refers to the accumulation of a toxic chemical in the tissue of a particular organism.
Biomagnification refers to the increased concentration of a toxic chemical the higher an animal is on the food chain.
Variation means difference in genetic makeup between individuals within a specie.
Answer:
<h2> AA
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Explanation:
1. A restriction enzyme, restriction endonuclease, an enzyme that cleaves DNA into small fragments at or near specific recognition sites (different restriction enzyme has different restriction site) within molecules known as restriction sites.
2. Restriction enzymes are found in archaea and bacteria.
3 And in bacteria and archaea they provide a defence mechanism against invading viruses.
4. Each restriction enzyme cut at the specific site, because each restriction enzyme have specific recognition site.
Answer - A. Deep because there is less O2 exchange
Reasoning - Bacteria has been known to only use half a percentage which is .5 percent of O2.
