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10 Cards in this Set
- Front
- Back
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What is released to the abiotic parts of the bioshpere from the processess of death and decay by bacteria?
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NITROGEN is released to the abiotic parts of the bioshpere from the processess of death and decay by bacteria.
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How does carbon dioxide in the atmosphere enter the biotic parts of the biosphere?
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carbon dioxide in the atmosphere enterS the biotic parts of the biosphere through PHOTOSYNTHESIS.
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What is the food web?
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The food web is an network of interconnected food chains
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What is a scavenger?
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A scavengar feed on dead organisms.
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What is commensalism?
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Commensalism is simple model from showing how matter and energy move through the ecosystem.
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What is trophic level?
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Trophic level is a step in the passage of energy and matter through an ecosystem.
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What is heterotroph?
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Heterotroph - obtains energy and nutrients from autotrophs.
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What is a decomposer?
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A decomposer breaks down dead organisms.
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Compare and contract the ways carbon and water cycle through the biosphere.
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Both carbon and water are found together in the biotic parts of biosphere. The major reservoir of carbon is the atmosphere and oceans, while the major reservoir for water is the oceans.
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compare and contract a food web and a food chain.
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Food chains and food webs are models that show food and matter pass through organism at different trophic levels. A food chain shows only one organism at each trophic level. A food web can show many different organisms at different trophic levels. Food webs are better representations of reality because many organisms may consume the same organism, and one organism may consume many others.
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