Answer:
C)
Explanation:
antigen binding to B cell receptors
Answer: Turbidity blocks the sunlight that plants need to produce oxygen for fish and other aquatic life. ... One effect is an increase in rooted aquatic plants, since sunlight can now penetrate to greater depths.
Explanation:
Answer:
Comparing DNA
Explanation:
Darwin could compare only the anatomy and embryos of living things. Today, scientists can compare their DNA. Similar DNA sequences are the strongest evidence for evolution from a common ancestor.