Select 3 terms that apply to level 1 of the pyramid

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

Where can dna be found in a prokaryotic cell

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line