Sexuality selection?
<span>Sexual selection in birds concerns how birds have evolved a variety of mating behaviors, so this could be your answer.</span>
Answer:
translucent
Explanation:
opaque surfaces allow no light to pass through, transparent surfaces allow all light to pass through and reflective surfaces reflect light.
Answer:endocrine gland
Explanation: these are duct less glands
The answer is B.) Insecta.