Organs
only exist in animals.
are less complex than the tissues which make them.
perform functions that tissues cannot carry out on their own.
are made of only one type of tissue.

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

This is the main structural axis of the plant that supports leaves, flowers and fruits; transports fluids; stores nutrients and produces new tissue.

Explain how the parts of the peripheral nervous system work with the central nervous system to produce a response to the stimulus