The answer to your question should be the last option (waste products) if not i would go with the first option but im pretty sure is the last option
Answer:
Physiological
Explanation:
Definition
A metabolic or physiologic adjustment within the cell, or tissues, of an organism in response to an environmental stimulus resulting in the improved ability of that organism to cope with its changing environment
I’d go with C hope it helps
They may depend on PH of the water, nutrients, and sunlight.
Birds migrating in the winter would be a behavioral adaptation. The rest of the adaptations would be structural or physiological because they are controlled by mutations in the DNA. <span />