Environmental Science: Section 1-1

Everything Is Connected

1. What is one way alligators and other organisms interact?

• fish use holes dug by alligators

2. What is Ecology?

• The study of interactions of living things and their environment.

3. What is the biotic part of the environment?

• All the living things that live together and interact.

4. What is the abiotic part of the environment?

• Nonliving factors such as:– soil– air– water– temperature– sunlight, etc.

Biotic or Abiotic?

5. alligator

6. gar

7. temperature

8. water

9. plants

10. rocks

•Biotic

•Abiotic

Put the five levels of environmental organization in order from smallest to largest

____ 11. population

____ 12. biosphere

____ 13. individual organism

____ 14. ecosystem

____ 15. community

1

2

4

5

3

16. A group of seaside sparrows competing for food, nesting space, and mates in a salt marsh is an example of the __________ level of environmental organization.

population

17. List four species in the salt marsh community.

• gull

• sparrow

• snail

• algae

• egret

• cordgrass

• heron

• jellyfish

• shrimp

• sea croaker

• turtle

18. List three ways that species in the salt marsh community use

cordgrass• eating it for food

– eating algae on it

• building nests

• hiding in it– shelter and protection

19. An ecosystem is made up of a community of organisms and the ____________ parts of the environment, such as temperature, soil, and water.

Abiotic

20. The ocean, the air, and all areas of Earth where life is are all parts of the ________ level of organization.biosphere

The End!!!