Matter Cycles
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What begins the energy in all food webs and food chains? | Sun
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| What is the source of energy in an ecosystem? | Sun
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| What are examples of carbon in the atmosphere? | Burning of fossil fuels and carbon dioxide
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| What is chemosynthesis? | When producers use chemical energy to make their own food
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| What is a producer? | an organism that makes its own food
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| What is a consumer? | an organism that eats other organisms for food
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| People are an example of what type of energy role in a food chain? | Omnivores eat plants and organisms.
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| What is the relationship between cellular respiration and photosynthesis? | Living organisms give off carbon dioxide that is used to make food in Photosynthesis by producers. Producers give of oxygen that is used by consumers in cellular respiration.
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| What is the first organim consumed in a food web? | producer (plant)
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| How do materials such as carbon, nitrogen, and water move through an ecosystem? | in a cycle
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| How does energy move in a ecosystem? | in one direction
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| How does a chemosynthetic organism make food? | They make their own food from chemical's food in the Earth's crust.
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| What are the main cycles in an ecosystem? | Nitrogen, water, oxygen, and carbon
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| These are fuels made from the fossils of decaying plants and animals that have been exposed to extreme pressure: | coal, oil, and natural gas
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| The process that changes nitrogen in the atmosphere to usable form that plants and animals can use is: | nitrogen fixation
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| When plants release water and water vapor back into the atmosphere from their stems and leaves? | transpiration
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| How is nitrogen in the atmosphere changed into nitrogen compounds? | Lightning
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| How does a plant absorb nitrogen? | Bateria must change nitrogen compounds in the soil; then, it is absorbed in its roots.
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| How do consumers get nitrogen? | Nitrogen is consumed by animals that eat plants.
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| How is nitrogen returned to the soil? | animal waste and decaying animals
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| How does a cloud form? | Dust particles collect water molecules and condensation occurs.
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| What are abiotic factors? | non-livivng factors like soil, water, and climate
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| What are biotic factors? | living organisms like plants, animals, and bacteria
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Created by:
Christie Williams
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