What is the main function of the nervous system? (Not sure if this is right answer)

Types of scientific inquiry that biologist engage in that cannot be completely controlled

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance