Large animals Such as the rhinoceros an elephant has almost no predators predators such as lions hyenas and leopards have helped to shape zebras so that they are very fast runners what factors helped to make elephants and rhinos well adapted to their grassland environment explain how this is consistent with selective pressure

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.

the answer is definitely a