Aheritable trait that confers on an individual a survival and reproduction advantage in its current environment is called what

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 are some characteristics of a free enterprise economy?

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite