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Aim: How do we recogniize how unfavorable abiotic and biotic factors affect a species?

Aim: How do we recogniize how unfavorable abiotic and biotic factors affect a species?. Do now:Define the word population: VOCABULARY: limiting factors ,carrying capacity. POPULATION. · A population is a group of individual plants or animals living in one area. LIMITING FACTOR.

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Aim: How do we recogniize how unfavorable abiotic and biotic factors affect a species?

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  1. Aim: How do we recogniize how unfavorable abiotic and biotic factors affect a species? Do now:Define the word population: VOCABULARY: limiting factors ,carrying capacity

  2. POPULATION • · A population is a group of individual plants or animals living in one area.

  3. LIMITING FACTOR • A limiting factor is something that limits how large a plant or animal’s population can become by its absence. • A limiting factor usually provides a “ceiling” (or highest number) that a population cannot rise above. Any component of habitat can become a limiting factor.

  4. Carrying capacity • The carrying capacity is the number of plants or animals that a given habitat can support indefinitely.

  5. CARRYING CAPACITY • The quality and the quantity of habitat determine the carrying capacity of a habitat at a given time. • If a habitat has a large supply of low quality food for a particular animal, a large amount of land may still be required to support even a small population of that animal. In addition, individual animals within a population have different needs. Some animals may be injured or have young to support, increasing the amount of habitat necessary to meet their needs.

  6. Conclusion: • Review with the students the definitions of the four vocabulary words, and the four components of habitat. Ask the students to describe populations in nature. • Ask the students to describe how limiting factors, predation and natural or human caused disturbances can combine to determine the carrying capacity of a population in a particular environment.

  7. CONCLUSION • Ask what effect the quality of habitat has on the survival of individuals within an ecosystem.

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