The large intestine contains a lot of bacteria that are commonly referred to as the gut flora. what function do these bacteria have within the process of digestion and in our body? what can cause an imbalance to these bacteria and what complications could this lead to?

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