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32 Cards in this Set
- Front
- Back
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Ecosystem
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all the organisms that live in an area along with the nonliving parts of that environment
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Ecology
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study of interactions of organisms with each other and their environment
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Species
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group of organisms that can mate& produce offspring that can reproduce
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Population
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all the members of a species living in a particular area at a particular time
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community
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all the populations sharing a specific area or region,
ex all the organisms in a lake. |
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4 limiting factors that affect populations
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Food
Water Light Living Space |
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Food
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plants make their food, all other organisms eat plants or other organisms. Only so much food is available.
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Water
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Plants &Animals are mostly water. All living things need water
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Light
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Plants need light for photosynthesis
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Habitat
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place where an organism lives
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Niche
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special role an organism plays within it's habitat
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Competition
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occurs when more than one individual or population tries to make use of the same limited resources.
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Predation
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relationship between species in which one species(prey) acts as a food source for another (preditor)
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Prey
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organism that is killed and eaten by another organism (preditor)
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Preditor
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animal that kills and eats other animals.
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Symbiosis
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a close relationship between 2 species
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Mutualism
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relationship between 2 species in which both species benefit
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Commensalism
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relationship between species in which one species is helped and the other is unaffected
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Parasitism
(Parasite) |
relationship between species in which one species (parasite) benefits and the other (host) is harmed but not killed
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Producers
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Make their own food from sun energy and raw materials in the environment(Plants)
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Consumers
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Gets its food by eating another organism (3 types)
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Decomposers
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organisms that feed on the remains or wastes of other organisms
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3 types of consumers
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Herbivores
Carnivores (scavengers) Omnivores |
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3 feeding relationships
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producers
consumers decomposers |
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Food Chain
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path of food energy from sun to the producer to a series of consumers, in an ecosystem
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Food Web
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in an ecosystem, arrangement of several overlapping food chains
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Biomes
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a large region of land with a distinct climate and certain types of plant and animal life
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Biosphere
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the part of the earth that is able to support life
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Climate
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the general pattern of weather in a particular part of the world over a long period of time
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6 Land Biomes
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Tundra, Dessert,
ConiferousForest, Deciduous Forest, Tropical Rainforest, Grasslands |
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Freshwater Ecosystems
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Lakes, ponds, swamps, streams, rivers
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Saltwater Ecosystems
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Open-ocean zone
Intertidal zones Coral Reef |
