Study Notes for Chapter 1-2: Environmental Science

Chapter 1 Section 1: Everything Is Connected

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

community

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

population

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

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

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

abiotic

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

five

populationecosystem

Chapter 1 Section 2: Living Things Need Energy

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

Coyotes

many

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

coyote

chain

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

10. Herbivores, _________, and omnivores are all ____________.

carnivoresconsumers

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

food

eating

12. Living things that make _________ from sunlight are called _________.

foodproducers

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

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

producers

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

Wolves

Chapter 2 Section 2: Ecological Succession

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

AcidsFirst

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

18. __________ enables a community to withstand changes.

Biodiversity

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

primary

20. Lichens are a __________ species.pioneer

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

Primary

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

Secondary

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

Secondary

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

The End!!!