1. Study Notes for Chapter 1-2: Environmental Science
Chapter 1 Section 1: Everything Is Connected

2. 1. A ______________ is made up of several different populations living together.
community

3. 2. A ___________ is members of one species in an area.
population

4. 3. A scientific study of the egrets, herons, marsh crabs, and cordgrass, but not the water or rocks in a salt mars is a study of the _________ level of organization.
community

5. 4. Mammals, fish, birds, and plants that live in an environment are the ___________ part of an environment.
biotic

6. 5. Rocks, temperature, and water are the _________ part of the environment.
abiotic

7. 6. The _________ levels of organization in the environment are organism, ___________, community, ____________, and biosphere.
five
population
ecosystem

8. Chapter 1 Section 2: Living Things Need Energy

9. Coyotes
7. _________ prey on prairie dogs. In order for the prairie dog population to survive, there needs to be _________ more prairie dogs than coyotes.
many

10. 8. Grass is eaten by a prairie dog
8. Grass is eaten by a prairie dog. The prairie dog is eaten by a _________. This is an example of a food __________.
coyote
chain

11. 9. Grass that gains energy from the sun is an example of a ____________.
producer

12. 10. Herbivores, _________, and omnivores are all ____________.
carnivores
10. Herbivores, _________, and omnivores are all ____________.
consumers

13. 11. Arrows point in just one direction in a ___________ web because they show how energy goes to the animal that is ___________.
food
eating

14. 12. Living things that make _________ from sunlight are called _________.
food
producers

15. 13. One food web arrow goes from a prairie dog to a coyote, showing that the coyote _________ the prairie dog.
eats

16. 14. Organisms that can make their own food from sunlight are called _____________.
producers

17. 15. ________ kill old, injured, and diseased elk.
Wolves
15. ________ kill old, injured, and diseased elk.

18. Chapter 2 Section 2: Ecological Succession

19. 16. _________ from lichens break rock up in the __________ step of rock changing to soil.
Acids
First

20. 17. After one species disappears, the other species in the ecosystem are thrown out of ___________.
balance

21. 18. __________ enables a community to withstand changes.
Biodiversity

22. 19. In _________ succession rock is slowly transformed into soil.
primary

23. 20. Lichens are a __________ species.
pioneer

24. 21. __________ succession begins in an area composed of bare rock.
Primary
21. __________ succession begins in an area composed of bare rock.

25. 22. _________ succession is when a forest grows back after a forest fire.
Secondary

26. 23. ___________ succession occurs in an area that has soil.
Secondary

27. 24. The oldest trees in a forest are a called __________ species.
Climax

28. The End!!!