Easy question!
which one?

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

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.