unit 8

3. type of succession in which the soil is already established
6. an animal (as a vulture) that feeds on dead or decaying material
7. is a place that an animal lives
9. factors are living organisms that are part of an environment
10. is a community of interacting organisms and their environment. Living things interact with each other and also with non-living things like soil, water and air

1. succession that occurs from the weathering or rock, which becomes soil. It takes hundreds of years
2. a living thing (as a bacterium, fungus, or insect) that feeds on and breaks down plant and animal matter into simpler parts or substances.
3. the idea that humans must interact with the environment in a way that ensures there will be enough resources left for future generations
4. the ability to maintain a stable internal environment despite changes in external conditions ( balance)
5. is the rich variety of life on Earth. There's variety in genes, variety among species, and a variety of ecosystems. Everything is interconnected, or dependent on everything else!
8. factors are the non-living factors in an environment such as temperature, light, water, and nutrients