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30 Cards in this Set
- Front
- Back
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Ecology
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The study of interactions between organisms and between organisms and their environment.
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Ecologist study organisms ranging from the various levels of ___________________________
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organization |
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What are the various levels of organization?
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Biome, Ecosystem, Community, Population, Species
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Biosphere
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The part of the earth where life exists |
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Group of ecosystems with the same climate and dominant communities.
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Biome |
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Ecosystem
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Collection of organisms that live in a place with the nonliving environment. |
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Community
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an assembly of different populations that live together |
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Population
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group of organisms all of the same species, which interbreed and live in the same area
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Species of Organism
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One organism |
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Autotrophs
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Make their own food so they are called producers. |
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Heterotrophs
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Get their own food from other sources so they are called consumers. |
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Two forms of Energy for Autotrophs
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Sunlight Chemical |
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Main source of energy
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Sunlight |
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Energy stored
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Chemical |
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Energy flows through an ecosystem in one direction?
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Chemicals -Autotrophs-Heterotrophs
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Steps of organisms transferring energy by eating or being eaten
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Food chain |
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Network of all the food chains in one ecosystem |
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Each step in a food chain or food web
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Ecological Pyramids |
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amount of energy available at the tropic level
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Pyramid of energy |
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amount of potential food available for each tropical level
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Pyramid of Biomes |
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counting organism
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Pyramid of number 5 |
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Order of organizations
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population community ecosystem biosphere |
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an animal that eats both plants and animals
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omnivore
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an animal that eats only plants
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herbivore |
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an animal that eats animals that have already died
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scavenger |
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an organism that breaks down and absorbs nutrients from dead organisms (Examples, fungi and bacteria)
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decomposer |
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an animal that kills and eats other animals
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carnivore |
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a simple diagram that shows one way energy moves through an ecosystem
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foodweb |
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each step in the food chain
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tropical level |
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