Link stem cells to the creation of an organism.

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

Amoeba proteus is injected with a drug that inhibits the formation of microtubules. what effect does this have on the organism’s movement?

What happens to a food web when deforestation occurs due to urbanization? how does it effect the carbon cycle? how does this relate to photosynthesis?