Answer:
.
Explanation:
Endocrine system uses chemical signaling (slow)
Nervous system uses electrical signaling (fasr)
Answer:
Living things are highly organized and structured, following a hierarchy that can be examined on a scale from small to large. The atom is the smallest and most fundamental unit of matter. ... A molecule is a chemical structure consisting of at least two atoms held together by one or more chemical bonds.
Explanation:
thymus plays important role by development of a normal, healthy immune system. thymus function is to generate mature lymphocytes
In other words, white blood cells that help fight of illness in the immune system.
sorry if I am wrong.
<span>The chicken experiment serves to explain how behavioral conditioning may be applied to any species. By identifying an appropriate reward for the subject in question, that subject may be taught any physically possible random behavior. Then, if witnessed, the behavior is able to be learned and mimicked by other members of the same or even different species.</span>