One of the functional characteristics of life is excitability or responsiveness. This refers to ________.
A. the necessity for all organisms to reproduce
B. sensing changes in the environment and then reacting or responding to them
C. indigestible food residues stimulating the excretory system
D. the nervous system causing all living things to sometimes experience anger
Answer:B
One of the functional characteristics of life is excitability or responsiveness. This refers to ________.
A. the necessity for all organisms to reproduce B. sensing changes in the environment and then reacting or responding to them C. indigestible food residues stimulating the excretory system D. the nervous system causing all living things to sometimes experience anger