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15 Cards in this Set
- Front
- Back
Ecology |
Study of interactions among organisms and their environments. |
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Species |
Group of organisms that can breed and produce fertile offspring. |
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Producer |
Organisms that make their own food from either the sun or chemicals. They are the first step in the food chain. |
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Consumer |
Organism that relies on other organisms for its energy and food supply: also called a heterotroph. |
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Biome |
A group of ecosystems that have the same climate and dominate communities. |
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Autotroph |
Organism that can make its own food. |
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Heterotroph |
Organism that can NOT make its own food. Must eat other organism for energy. |
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Omnivore |
Organism that obtains energy by eating both plants and animals. |
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Decomposer |
Organism that breaks down organic matter and recycles it into the ecosystem. |
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Carnivore |
Organism that obtains energy by eating other animals. |
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Niche |
An organisms role in the environment: its habitat, its feeding habits, etc |
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Biotic |
Living influences on organisms within an ecosystem |
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Abiotic |
Nonliving influences on organisms within an ecosystem |
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Habitat |
The area in which an organism lives |
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Biomass |
The amount of living tissue at a tropic level. |