Please answer me in struggling so much with this Salt water crabs have the same proportion of salt in their cells as the water that they live in considering this, what would happen to the cells of a crab if you put it in the fresh water, why?

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.

Which of the following is a responsibility of a scientist

Which of the following are causes of evolutionary change? 1)genetic drift 2) natural selection 3) gene flow 4)mutation