Ecology Review 2

Succession

• Replacing communities in an ecosystem to form a forest

• The maximum number of organisms an ecosystem can support

• The role of an organism in an ecosystem

• Recycles nutrients back to the soil for plants

Match the following term with its definition

• 1st organisms to populate an area

• Climax Community

• The final stable stage of Succession

• Limiting Factors

• Controls # of organisms in an area

• Pioneer Organism

• Building a Forest

• Succession

• Max # of organism supported

• Carry Capacity

Label the diagram with the correct terms

a

b

Climax Community

Pioneer Organisms

Tags

NGSS.MS-LS2-3

Identify the Niche of Pioneer Organisms

• Hunt Prey

• Modify the environment so new communities can develop

• Recycle Nutrients to the soil

• Control the plant population

Tags

NGSS.MS-LS2-3

Identify the requirements for a Climax Community to be stable

• Constant source of Energy (Sun)

• Materials being Cycles

• Lots of Biodiversity

• Only contains Autotrophs

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

Term used to describe the maximum number of organisms the ecosystem can support

Tags

NGSS.MS-LS2-4

Which Stage in the diagram has the most stability?

• A

• B

• C

• D

Which statement is true according to the diagram

• A modifies the environment for C

• B modifies the environment for C

• C is the most stable ecosystem

• D with continue to change

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Identify the limiting factors of this picture?

• Temperature of the water

• Gravel

• Different Fish Populations

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Why would the fish population decrease?

• Less food

• More food

• Less Predators

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4