Hey mate...
i think the answer is :
A)MODERATE
Answer: Cells membrane
Cells membrane is like a skin to human. It will be the border of the cells and protect it from outside by limiting things that can pass into it. It also used to dump waste so it should be able to make it pass out of cells. When cells membrane is disrupted/damaged, the existence of the cell can be threatened.
When an animal has a feature that helps them to disguise, in this case specifically making the animal blend into the surroundings, this is called a camouflage. A camouflage is a result of a process by which, under the pressure of natural selection, a feature gets prevalent in a species in order to make this species more fitted to the environment. In this case, the penguins are safer in their environment with this feature. This process is called adaptation, and this is a camouflage adaptation.
Therefore, the correct answer is D. adaptation.
