Limiting Factors

• Integrated Science Guided Notes

• Powerpoint Slides

• Fill in the blanks as we discuss these notes during class

Changes in a ________________ size are determined by immigration, births,

emigration, and deaths.

• Four factors affecting size– immigration– _________– ___________– deaths

The size of a population is always changing

Population growth is based on available ________

• ________________growth is a rapid population increase due to an abundance of resources.

____________________ is due to a population facing limited resources

Logistic vs Exponential Growth Funny Bunnies

Carrying capacity is the _____________number of individuals in a population that the environment can support.

Predator Prey Relationship

The predators keep the prey population under control and the size of the population of prey _________

the amount of predators an ecosystem can support.

Ecosystems Have Living and Nonliving Components

Abiotic– Water– Air– Nutrients– Rocks– Heat– Solar energy– pH

Biotic– Living (or once living)

– Interactions•Competition

•Predator – prey

•Symbiosis

Major Biotic and Abiotic Components of an Ecosystem

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• Predators– Use pursuit– Ambush– ____________– Chemical warfare (venom)

• Prey– Swift movement– Shell– Camouflage– _____________

Predation

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PREDATION

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Span worm Bombardier beetle

Viceroy butterfly mimicsmonarch butterfly

Foul-tasting monarch butterfly

Poison dart frog When touched, the snake caterpillar changes shape to look like the head of a snake

Some ways prey species avoid their prey

Wandering leaf insect

Hind wings of mothresemble eyes of a much larger animal

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Giant swallowtail butterfly larva (Papilio

cresphontes).Hawkmoth caterpillar.

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