Vocabulary for Topic 6 - Ecology
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Abiotic | nonliving parts of the environment
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| Autotroph | produces its own food; source of energy for all other living things
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| Biodiversity | variety of species in an area
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| Biosphere | all of Earth's ecosystems including water, land, and air in which organisms survive
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| Carnivore | an organism that survives by eating animals
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| Carrying Capacity | the largest population of any single species that survives by eating animals
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| Community | a combination of all the different populations that live and interact in the same environment
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| Competition | the struggle between organisms for the same limited resources in a particular area
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| Consumer | an organism that obtains its energy from producers
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| Decomposer | an organism, generally a bacterium or fungus, that consumes dead organisms and organic waste
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| Ecology | the study of how living things interact with one another and with their environment
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| Ecological Niche | the specific role played by an organism or a population of organisms in the ecosystem
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| Ecological Succession | the process by which an existing community is replaced by another community
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| Ecosystem | all the living and nonliving things that interact in a specific area; a subdivision of the environment
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| Energy Pyramid | a diagram showing how food energy moves through an ecosystem
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| Environment | every living and nonliving thing that surrounds an organism
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| Food Chain | a representation that identifies the specific feeding relationships among organisms
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| Food Web | many interconnected food chains that shows the feeding relationships among producers, consumers, and decomposers
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| Habitat | the place where an animal or plant lives
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| Herbivore | an organism that eats only plants
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| Heterotroph | organism that cannot make its own food; a consumer
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| Host | the organism in a parasitic relationship that provides a home and/or food for the parasite (Hint: a cat is the host to a flea)
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| Limiting Factors | any factor in the environment that limits the size of a population
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| Parasite | an organism that survives by living and feeding on their organism (Hint: a flea is a parasite)
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| Population | all the individuals of a single species that live in a specific area
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| Predator | an animal that hunts and kills other animals for food
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| Prey | an animal that is hunted and killed by predator
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| Producer | an organism that makes its own food from light energy and inorganic materials
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| Scavenger | a carnivore that feeds on the bodies of dead organisms
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| Biotic | living parts of the environment (Hint: "Bio" means living)
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Created by:
Ms.Sala
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