Some aquatic organisms that live in cold environments similar to that of crabs have multiple forms of certain enzymes that catalyze reactions at various temperatures. Explain how having multiple forms of enzymes would contribute to the fitness of these organisms.

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

Will mark brainliest if correct/available! which of the following statements is true? all plants need flowers to sexually reproduce. sexually reproduced offspring are identical to their parents. fertilization always occurs inside the female's body. a body cell has twice the number of chromosomes as an egg cell.