Select the word or phrase that best completes each of the sentences below. The smallest units of life are called
is the process of creating new living things.
is the phenomenon of living things responding to their environment

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons

Explain why the plants cortex would serve as the best food source for animals

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous