ECOLOGY - Ecosystem organization
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each of the black spaces below before clicking
on it to display the answer.
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| Abiotic features | The non-living/never living NATURAL parts of an ecosystem.
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| Population | All of a given species in a given area.
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| Biotic | The living or once living parts of the environment.
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| Ecology | The study of living things in their natural environment.
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| Ecosystem | All of the living and non-living parts of an environment that depend on each other.
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| Ecological Succession | The process of change in an ecological community over time. (pond dries up & becomes a field which eventually becomes a forest, lichen breaks down rock to soil for plants)
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| Species | Like members of a group that can mate and produce fertile offspring (the babies can have babies, too).
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| Community | All of the populations (individual species) in an area. The living/once living (biotic) parts of the ecosystem.
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| Population | A group of the same species in a community (a group of mountain lions in a forest)
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| Organism | A form of life, a living creature. Examples: human, squirrel, apple tree, mushroom, shark, jellyfish, bacteria, earthworm, algae, etc.
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| Environment | The surroundings (both living and non-living)
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| Interdependence | A relationship where both things depend on one another, or affect one another.
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| Symbiosis | Any relationship between 2 species (can be helpful or harmful). Can be classified as mutualism (helps both species), commensalism (helps one & does not harm other) or parasitism (helps one while harming the other species – like a tick on a dog)
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| Competition | When various organisms struggle for a limited supply of resources in an ecosystem.
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| Limiting Factors | Anything that restricts the number of organisms that can live in an ecosystem (amount of food, predators, living space, natural disasters, etc.)
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| Scavenger | An organism that feeds on dead plants or dead animals.
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| Resources | Things in the environment that are necessary for survival (food, air, shelter, water, a mate, etc.)
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| Biodiversity | All the different types of living organisms in an ecosystem. The greater the variety (amount of different species) the more stable the ecosystem will be.
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| climax community | The way that all the living things in an ecosystem has changed over many years to become very stable. An old growth forest is a climax community.
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| overpopulation | Too many of a species living in an area with not enough resources.
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| carrying capacity | the maximum population of a certain species that can be supported by the resources in an environment. population usually goes up until it reaches this level. limiting factors will reduce this.
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Created by:
rhk9
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