Ecology Community interactions. What would happen if…  All the trees in the Amazon were cut down?  All the polar bears in the Arctic died?  The temperature.

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Presentation transcript:

Ecology Community interactions

What would happen if…  All the trees in the Amazon were cut down?  All the polar bears in the Arctic died?  The temperature of the Earth increased by 5 degrees?

Ecology  The branch of the biology that deals _________________________________________ _________________________________________  Population  Community  Ecosystem  Biosphere

Factors that affect the environment  Abiotic  Biotic

Niche  _______________________________________  how it meets its needs for food and shelter  how it survives  how it reproduces

Producer

Primary consumer

Secondary consumer

Decomposer

Energy flow through an ecosystem  ENERGY FLOWS THROUGH IN ECOSYSTEM __________________________  Show this with a

Laws of Thermodynamics  1 st law  Law of Conservation of Energy  2 nd law

How much energy is passed from one trophic level to the next?

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