The Earth's Spheres
The Earth's Spheres
Ecosystem
All of the living organisms
(biotic) and the nonliving
(abiotic) things with which they
Abiotic
? The non-living factors (things) of the Earth.
? These things impact the ability of living organisms to survive.
? Examples: ? soil, weather, and the
availability of water.
? Nutrients, air, carbon dioxide.
? The amount of sunlight and the pH level (acidity) of the soil.
Biotic
? BIO means LIFE
Biotic factors are the living things that shape an ecosystem. They are, any living
? Of or having to do with life component that affects another organism.
or living organisms.
? Produced or caused by
living organisms.
Example- when an animal eats another plant or animal, they are impacting their ecosystem.
The Four Spheres You Hear About the Most
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