A nerve cell that carries information back and forth from the environment and the central nervous system is a A. Reflex
B. Gland
C. Medulla
D. Neuron

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

Which chemical equation is unbalanced? which chemical equation is unbalanced

What is the process by which biological parents pass traits such as hair type or eye color to their children