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Subject Area - 4:
Environment and Ecology
Environment and Ecology
- Standard Area - 4.1: Ecology
- Grade Level - 4.1.4: GRADE 4
Standard - 4.1.4.B
Identify how matter cycles through an ecosystem.
- Trace how death, growth, and decay cycle matter through an ecosystem
- Standard Area - 4.1: Ecology
- Assessment Anchor - BIO.B.4:
Ecology
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Eligible Content - BIO.B.4.1.1 Describe the levels of ecological organization (i.e., organism, population, community, ecosystem, biome, biosphere).
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Eligible Content - BIO.B.4.1.2 Describe characteristic biotic and abiotic components of aquatic and terrestrial ecosystems.
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Eligible Content - BIO.B.4.2.1 Describe how energy flows through an ecosystem (e.g., food chains, food webs, energy pyramids).
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Eligible Content - BIO.B.4.2.2 Describe biotic interactions in an ecosystem (e.g., competition, predation, symbiosis).
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Eligible Content - BIO.B.4.2.3 Describe how matter recycles through an ecosystem (i.e., water cycle, carbon cycle, oxygen cycle, nitrogen cycle).
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Eligible Content - BIO.B.4.2.4 Describe how ecosystems change in response to natural and human disturbances (e.g., climate changes, introduction of nonnative species, pollution, fires).
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Eligible Content - BIO.B.4.2.5 Describe the effects of limiting factors on population dynamics and potential species extinction.
