Choose 3 Ecosystem Services. SUMMARIZE them in your own words and explain how humans have impacted these services.

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

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

Which of the following explains why a tree is often used as a model to represent the principle of common descent