In order to grow more of a certain type of cell, a scientist should: a. design a model of that type of cell. b. observe the cell with a light microscope. c. expose the cell to an electron microscope. d. prepare a culture of that type of cell.

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