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25 Cards in this Set
- Front
- Back
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What is an ecosystem?
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all the living organisms and their environment in a certain part of earth
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What is the size of an ecosystem?
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As large as a biome or small as a tree stump.
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What are the two parts of an ecosystem?
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nonliving and living things
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Define environment.
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all the nonliving things in an ecosystem
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What things make up the environment?
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sunlight, water, soil, temperature, air
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Can plants and animals be found in more than one ecosystem?
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yes
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Name the living things that can be found in an ecosystem.
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humans, animals, plants, microscopic organisms
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Define an individual from an ecosystem.
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one living member of an ecosystem
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What term describes all the living members of one species within an ecosystem.
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population
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What terms describes all the populations within an ecosystem?
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community
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What do we call a specific kind of organism?
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species
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What is a habitat?
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the place where a certain organism lives
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Do populations share habitats?
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yes
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So populations share niches?
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no
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What is a niche?
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an organism's function or job within the ecosystem
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What does a niche include?
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how an animal raises its young, what and when it eats, how it protects itself
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What are the three roles of an ecosystem?
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producer, consumer, decomposer
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What is an ecosystem's source of energy?
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the sun
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What is the name for the process of plants making food from carbon dioxide and water?
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photosynthesis
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What do consumers eat?
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producers (plants)
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What type of consumer is an herbivore?
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only eats plants
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What type of consumer is an omnivore?
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eats both plants and animals
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What type of consumer is a carnivore?
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eat animals or other consumers
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What type of consumer is a scavenger?
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eat dead things that they did not catch or kill
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What do decomposers do?
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break down dead things and waste materials
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