Ecosystems:

Biome:

Ecosystem:

Ecosystem: A network of interactions linking biotic factors _____________________________________ and abiotic factors ___________________________________________.

Examples: ____________________________________________________________________________

Abiotic Interactions in an Ecosystem:

The abiotic components of an ecosystem support the life functions of the biotic components of the ecosystem.

1. Light:

a. Required for _________________________, which is a very important reaction that converts ___________________________ into ____________________ energy.

b. Sometimes certain ecosystems receive less sunlight than others which can affect the plants and animals that live there. Examples _______________________________ ____________________________________________________________________

2. Nutrients:

Examples: _________________________________________________________

3. Water

a. The cells of most living organisms are made up of _________ to _________ water.

b. Water can carry __________________ from one place to another in an ecosystem, especially in soil.

4. Oxygen is produced by many different types of _______________________, such as ________________________________________________________________________

5. Soil:

a. Provides ___________________________________ for plants

b. Helps anchor plants in one place and holds water for plant and animal use

c. Organisms living in the soil help maintain its health. ______________________ create burrows that allow movement of water and nutrients. ______________________ break down materials in the soil to provide more ______________and remove ________________

Habitat: The place where an organism lives

Example: _____________________________________________________________________________

AEcological Hierarchy:

Match the words to the diagram on the left:

BBiome HabitatEcosystem

B

C

Vocabulary

Biospherecommunity ecosystemorganism population

1. Use the vocabulary words above to label the Williams Creek ecosystem.

1._____________________________

. _____________________________

3._____________________________

4._____________________________

5. _____________________________

Ecosystem:

Species

Habitat

Community

Population

Organism