What is the main difference between active and passive transport? A)the size of the particle
B)the energy required
C)the location where it occurs
D)the type of cell that performs it

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.

Which entry is in the wrong position in the table?

What controls activities within a eukaryotic cell?