If I remember them correctly, the organisms are a fish, a reptile a bird and a human during embryonic development. B & D are the correct answers.
<span>a chemical substance produced and released into the environment by an animal, especially a mammal or an insect, affecting the behavior or physiology of others of its species.</span>
Answer:
The answer is B
Explanation:
It uses carbon, light, and water but not chemical because it doesn't produce.