1

Evolution and Ecology

Population Growth and Limiting Factors

Key Question: What factors limit population growth?

2

Maryland Science Content Standard

•You will be able to give reasons supporting the fact that the number of organisms an environment can support depends on the physical conditions and resources available.

3

CyberEd – Population Growth

• Follow the directions to open the program.– Maintaining Conditions Needed for Life

– Living with the Environment

• Complete all questions and extension questions.– Word document (MCNfL)

– Word document (LwtE)

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Activity

• Read Chapter 1: Sections 1 and 2 in the Environmental Text Book

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What To Do???• You are on the Town Council for Eldersburg. The

town has been offered a LOT of $$ for the lot next to Wal-Mart to put up a 20 floor apartment complex with 15 apartments per floor. Families with children are being encouraged to move in. Nothing else in the town is changing…..

• Using the information from CyberEd and Chapter 1: Sections 1 and 2, what do you need to consider before accepting this offer?

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Conclusion

– What is a carrying capacity?

– What would have to change to increase the carrying capacity for a population?