teacher booklet.notebook

1

September 10, 2013

Jun 26-2:20 PM

Pyramids

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September 10, 2013

Jun 26-1:59 PM

Ecological Pyramids

teacher booklet.notebook

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September 10, 2013

Jun 26-2:03 PM

There must be a large amount of

This variation in numbers or

mass can be shown by

instead of food chains.

Energy Pyramid

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September 10, 2013

Jun 26-2:29 PM

The area at the bottom of the energy pyramid represents the

passes from producers to consumers, less is available at each

successive trophic level. This is because all of the energy that

transporting materials, movement, reproduction, and so on.

Only a portion of the energy used goes into building organic

is available to organisms higher up the food chain. This explains

why there is rarely more than 4 trophic levels.

teacher booklet.notebook

5

September 10, 2013

Jun 26-2:03 PM

Related to the pyramid of energy is the

pyramid of biomass. This pyramid

The area at the bottom of

the biomass pyramid corresponds

to the producer level. This represents

the greatest

amount of living material.

This pyramid doesn't

follow the 10% rule that

the pyramid of energy

teacher booklet.notebook

6

September 10, 2013

Jul 11-12:05 AM

1.

PREY

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September 10, 2013

Jul 11-12:08 AM

Competition

Caused by an organisms desire to survive and produce

offspring. Organisms will compete for natural

resources (food, shelter, territory, mates and

There are two types of competition:

Interspecific Competition

Intraspecific Competition

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8

September 10, 2013

Jun 26-2:33 PM

Assignment #3