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6th grade NS U2 Living things and their environm ...
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How do decomposers obtain their nutrition?
They decompose the remains of living things
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Relationships are in balance if__________.
they remain stable
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What are the most important relationships in an ecosystem?
the feeding or trophic relationships
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To survive, living things have _______.
adaptations
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What is biotope?
the physical conditions of an ecosystem
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What type of nutrition do consumers exhibit?
heterotrophic
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What is biocoenosis?
the community of living things that live in it
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How can we represent feeding relationships?
through food chains and webs
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Which is more complex: a food chain or food web?
A food web
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What are 6 ways humans cause harm and imbalance in ecosystems?
depletion of resources, endangered species, pollution, introduction of non-native species, occupation of territory, accumulation of waste
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What are food chains and webs?
Diagrams that use arrows to show how nutrients circulate through a group of living things in an ecosystem
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Humans can be harmful and create________ in many ecosystems.
imbalance
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What type of relationship do food chains show?
a linear relationship of how living things feed on each other
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What forms an ecosystem?
a place and its physical conditions (biotope), the community of living things that lives in it (biocoenosis) and the relationships between them.
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What type of nutrition do producers exhibit?
autotrophic
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