Test Answers on Science – Flashcards
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pnea
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breathing
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Carbon dioxide cycle
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exchange of carbon dioxide and oxygen from one organism to another
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carbon dioxide
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gas needed by plants to makie food
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decomposer
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organisms that get energy by causing dead organisms to decay
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consumers
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organisms that get their energy from other organisms
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germination
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sprouting of new plant structures
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water cycle
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the circular pathway in which water moves through an ecosystem
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transpiration
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process by which plants give off water from their leaves
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larva
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young animal that looks completely different from its parents
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metamorphosis
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the complete change of an organism's body from one form to another form
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pupa
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stage after the larva stops feeding, in which many changes take place
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producer
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green plants that use the sun's energy and other substances to make their own food
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energy pyramid
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shows the flow of energy from sun to plants to animals
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life cycle
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stages that living things go through
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oxygen
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gas needed by animals to use energy
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1st level of pyramid
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sun
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sun
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the main source of energy for the producers
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2nd level
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producers
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producers
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bring energy from nonliving sources into the community (from the sun)
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3rd level
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primary consumers
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primary consumers
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get energy from the producers, which makes them herivores in most communities
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4th level
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secondary consumers
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secondary consumers
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get energy from the primary consumers, which makes them carnivores
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tertiary consumers
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get energy from the secondary consumers
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primary consumers are herbivores or carnivores?
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herbivores
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secondary consumers are herbivores or carnivores?
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carnivores
