the answer is abyssal plain
It seems that you have missed the given options for this question, but anyway, the correct answer is BIOLOGICAL CATALYSTS. <span>In living cells chemical processes such as synthesis all require the action of biological catalysts. Biological catalysts are enzymes that speed up the chemical processes in the body. Hope this answer helps.</span>
Answer: b
Explanation:
An open system is when nutrients and waste are moved through the body freely through the body cavity, rather than being enclosed in veins.
Answer:
DNA mutation causes genetic variation by altering the genes of individuals in a population. Gene flow leads to genetic variation as new individuals with different gene combinations migrate into a population.
The flow of individuals in and out of a population introduces new alleles and increases genetic variation within that population. Mutations are changes to an organism’s DNA that create diversity within a population by introducing new alleles.
