ecosystemslesson2 biotic and abiotic
Post on 27-May-2015
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Ecosystems-Abiotic Factors
An ecosystem is the interaction between
An ecosystem is the interaction between biotic and abiotic factors
Parts of an ecosystem that are living or were once living are called
Parts of an ecosystem that are living or were once living are called biotic.
Parts of an ecosystem that are non-living are called
Parts of an ecosystem that are non-living are called abiotic.
How do these abiotic factors affect the biotic parts of an ecosystem?
SUN
•Warmth (gives warmth to animals)
• Solar energy (allows green plants to make food)
• Daylight (triggers activity in many animals)
• Seasons (signals changes in plants and animals such as flowers blooming or birds migrating)
WATER
•All living things need water to live (plants & animals)
•Water transports nutrients to other areas
•Some organisms live in water
AIR
•Provides oxygen (O₂)•Provides Carbon Dioxide (CO₂)
SOIL
•Soil contains nutrients for plants.•Plants grow in the soil.•Animals live in the soil.
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