Answer:
Biodiversity: Tropical rainforests are areas of extremely high biodiversity compared to other ecosystems. Biologists estimate that tropical rainforests contain about 50% of the world's terrestrial plant and animal species, yet they encompass only about 6% of the world's land area.
Explanation:
The function of the cell membrane is to protect the cell from any outer surroundings that could be harmful to it.
Correct Answer is Adipose tissue. I guess you could pick D. Body fat.
From it's environment and from traits from other parents.