Use the ideas of natural selection to suggest how woolly mammoths may have developed.. Science !!
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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.

Matched chromosomes carrying information about the same characteristics in the organism are called

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.