What is a classify a pet dog as a autotrophy or heterotroph and as an herbivore carnivore, or omnivore

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.

Do you think humans have a moral obligation to preserve the habitat of the chimpanzee

Atype of organism that no longer exist on earth is said to be