Answer: C and D
Explanation:
B is talking about cells, so it's not relevant
A has nothing to do with this at all honestly
So C and D are the right answers
Answer:
b
dissolving is a chemical change
The ecosystem is an ecological system consisting of all of its biotic and abiotic factors
There are several mutations that benefit the organism.A well known example is the antibiotic resistance developed by bacteria, which aid in their survival even when they are exposed to a given antibiotic. A single gene mutation in wild almond trees resulted in a variety that no longer synthesizes amygdalin.