I Think The answer is d I hope it helps just Trying To help The best I can
11 important organ systems
Answer:
D) they alter the bases so they no longer fit within the DNA ladder rungs
Answer:
you must have diversity to have an ecosystem, If you only have one organism that is considered a population.
Explanation:
If you think about the food chain, one species gives it's energy to another. So by having a diversity in species, it allows for an ecosystem to form.