Hormones are secreted and released into the blood by Endocrine glands.
Endocrine glands are glands of the endocrine system that secrete their products, hormones, directly into the blood rather than through a duct. The major glands of the endocrine system include the pineal gland, pituitary gland, pancreas, ovaries, thyroid gland, parathyroid gland, hypothalamus and adrenal glands.
I think it would be because the lizards were able to adapt from the environment. Environment adaptation.
The answer is D. learned behavior.
A change in behavior of an organism takes place due an experience is called learning. Animals learn behavior in many ways. On such way is given the question that anole lizard ate bright red butterfly instead small insects which are its normal food and became ill. Anole lizard learned through experience that bright red insects are not its food. Thus, a learned behavior is one that an organism develops by encountering experience.
I can just send a picture it’s way to confusing