<span>I believe the answer is: clownfish/anemone
Clownfish is very territorial in nature. So, when they hide within the anemone, the clownfish would prevent smaller fishes from eating the anemone. In return, the anemone would prevent the bigger fish from reaching the clownfish when they hide in it.</span>
The answer is; D
Carbon dioxide and methane are potent greenhouse gases. They cause heating of the lower atmosphere, by trapping sunlight, that results to climate change. Due to the higher melting and boiling temperatures of phosphorus, it is rare that it occurs as gas in room temperatures. Phosphorus, therefore, does not pose a great threat of climate change.
It would be epithelial tissue that covers it.
Cells in the pancreas release insulin into the blood
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.