If an organism did not respond to changing environmental circumstances by regulating gene expression, what is the most likely occurrence?   a.  cellular reproduction would become uncontrolled. b.  cells would be unable to reproduce. c.  energy efficiency would be reduced. d.  enzymes would not be available when necessary.

What happened to rosalind franklin in 1956?

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.

Number and variety of living organisms includes genetic, species, and ecological types