Diagram of asexual and sexual reproduction

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?