1. All living organisms in an ecosystem. 2. The number of species living within an ecosystem.
3. The study of interactions between living and nonliving factors.
4. The portion of the planet that contains life.
5. Alligators, turtles, and fish living together in a river
form this.
6. Soil, water and weather.
7. An ecological system that scientist often study.
8. A place where a population lives.
9. All of the species of freshwater fish that live together
in a lake form this.
10. Consists of a community and abiotic factors.