Answer:
Explanation:
Integral membrane proteins are permanently embedded within the plasma membrane. They have a range of important functions. Such functions include channeling or transporting molecules across the membrane. Other integral proteins act as cell receptors
Integral membrane proteins reside within the bilayer membranes that surround cells and organelles, playing critical roles in movement of molecules across them and the transduction of energy and signal
<span>Population crash is a sudden decrease in the number of people found in a given area as a result of shortage or the lack of environmental resources necessary for reproduction, survival and growth of the population. It is also known as a die back. The answer to your question is A. population crash.</span>
Answer: b. They can live away from water
Explanation:
The frogs are the amphibian organisms, which are capable of survival both in water as well as land. In frogs external fertilization is used as a mode of sexual reproduction. The females lay their eggs in water in the same time the males also secrete their sperms in the water. The eggs are fertilized by the sperms in water. For reproduction the frogs are dependent on water. But with the evolution of frogs, which allows them to fertilize the eggs on the land. The frogs can live away from water.