One of the functional characteristics of life is irritability. This refers to ________.
A) indigestible food residues stimulating the excretory system
B) sensing changes in the environment and then reacting or responding to them
C) the nervous system causing all living things to sometimes experience anger
D) the necessity for all organisms to reproduce
Answer: B) sensing changes in the environment and then reacting or responding to them
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.