Answer:
The plasma membrane is responsible for maintaing B: homeostasis
Hmm. This one’s simple. It’s definitely biodiversity, because if there are lots of organisms, people can fulfill their niches easily. Carbon dioxide and pollution just harms the organisms and salt water doesn’t do much good, except in ocean ecosystems. The answer is C: Biodiversity.
C is the answer to your problem
Its the experiment part where you test the hypothesis
Answer:
Nitrogen is an essential nutrient for plants and a significant component of proteins, which all animals need to grow, reproduce and survive. The nitrogen cycle converts nitrogen into compounds that plants and animals can use. Humans and Animals Need Nitrogen All human tissue – muscles, skin, hair, nails and blood – contains protein.