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30 Cards in this Set
- Front
- Back
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Community
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All of the populations of different species that live and interact in an area.
Examples: Biotic |
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Food Web
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A complex diagram representing the many energy pathways in a real ecosystem.
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Food Chain
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A diagram that represents the many energy in food molecules. Flows from one organism to another.
Starts with sun. |
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Symbiosis
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A close long term association between two or more species.
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Prey
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An organism that is eatin by another organism.
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Predator
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An organism that eats another organism.
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Limiting Factors
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A needed resource that is in limited supply.
Always one of these. Resource needed, scarce, decreases population. |
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Carrying Capacity
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The largest population that a given environment can support over a long period of time.
Amount of organisms an area can support. |
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Competition
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Two or more species or individuals trying to use the same limited resource.
Survival of the fittest. |
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Habitat
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The environment where an organism lives.
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Niche
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An organism's way of life and its relationships with its abiotic and biotic environments.
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Biosphere
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The part of earth where life exists.
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Abiotic
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Describes nonliving factors in the environment.
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Energy Pyramid
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A diagram shaped like a triangle that shows the loss of energy at each level of the food chain.
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Ecosystem
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A community of organisms and their non living environment.
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Coevolution
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The long term changes that take place in two species because of their close interactions with one another.
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Mutualism
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A symbiotic relationship in which both organisms are benifited.
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Parasitism
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A symbiotic association in which one organism is benifited and the other is harmed.
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Commensalism
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A symbiotic relationship in which one organism benifits and the other is unaffected.
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Ecology
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The study of interactions between organisms and their environment.
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Ecosystem
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A community of organisms and their nonliving environment. Biotic and abiotic.
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Population
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A group of individuals of the same species that live together in the same area at the same time.
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Organism
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Anything that can independently carry out life processes.
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Producers
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Organisms that make their own food, usually by photosynthesis.
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Consumers
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An organism that eats other producers or other organisms for food.
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Herbivore
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A consumer that eats plants.
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Carnivore
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A consumer that eats animals.
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Omnivore
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A consumer that eats a variety of organisms.
(a mix of meat and plants) |
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Scavenger
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An animal that feeds on the bodies of dead animals.
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Decomposer
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An organism that gets energy by breaking down the remains of dead organisms or animal waste and observing nutrients.
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