An abnormal cell mass that varies in size, color, and shape is a:

What type of specimens where you able to see under each of the microscopes in the microscope activity

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.

What must be done to breed dogs for a partical trait