Which organ to process essential proteins and minerals, so that they can then be taken through the bloodstream and to the cells that need them? a. the lungs b. the stomach c. the heart d. the inner ear?

According to the theory of punctuated equilibrium, at what rate does speciation occur? species change depending on the rate of natural selection. after periods of stasis, new species evolve relatively rapidly. species change slowly and eventually form new species. some species change quickly and others change slowly to balance the overall rate.

Models are non-visual ways of coummincating how someone thinks about something in the natural world

What is the role of the phospholipid belayer in cellular transport in living cells