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The study of how living things interact with each other and with their environment. |
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Every living and non-living thing that surrounds an organism |
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All the living and non-living things that interact in a specific area; a subdivision of the environment |
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The living parts of the environment |
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Nonliving parts of the environment |
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The place where a plant or animal lives |
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| All the individuals of a single species that live in a specific area |
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| A combination of all the different populations that live and interact in the same environment |
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| All of Earth’s ecosystems, collectively; the biologically inhabited portions of Earth, including all of the water, land, and air in which organisms survive |
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| The struggle between organisms for the same limited resources in a particular area |
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| Any factor in the environment that limits the size of a population |
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| An animal that hunts and kills other animals for food |
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| An animal that is hunted and killed by predators |
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| The larges population of any single species that an area can support |
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| The specific role played by an organism or a population of organisms in the ecosystem |
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| A representation that identifies the specific relationships among organisms |
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| An organism that produces its own food; the source of energy for all other living things on Earth (starts with “a”) |
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| An organism that makes its own food from light energy and inorganic materials (starts with “p”) |
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| An organism that cannot make its own food; a consumer |
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| An organism that eats only plants |
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| An organism that survives by eating animals |
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| An organism, generally a bacteria or fungus, that consumes dead organisms and organic waste |
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| A carnivore that feeds on the bodies of dead organisms |
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| An organism that survives by living and feeding on other organisms |
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| The organism in a parasitic relationship that provides the home and/or food for the parasite |
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| A representation of many interconnected food chains that shows the feeding relationships among producers, consumers, and decomposers |
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| A diagram showing how food energy moves through the ecosystem |
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| The variety of species in an area |
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| The process by which an existing community is replaced by another community |
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| An organisms that obtains it’s energy from producers (starts with “c”) |
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