Idk if i'm right but saturated?
Answer:
photosynthesis and the erosion of limestone
Pretty sure C
A. Doesn’t make sense bc restriction enzymes cleave dna into fragments
B. PCR is used to identify organisms that are difficult to culture
D. Once again restriction enzymes just cut the dna up
Answer:
The answer is "A"
Explanation:
They cannot make their own food, they are heterotrophs
