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Subject Area - 4:
Environment and Ecology
Environment and Ecology
- Standard Area - 4.1: Ecology
- Grade Level - 4.1.3: GRADE 3
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Assessment Anchor - BIO.B.4
Ecology
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Anchor Descriptor - BIO.B.4.1
Describe ecological levels of organization in the biosphere.
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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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Anchor Descriptor - BIO.B.4.2
Describe interactions and relationships in an ecosystem.
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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.
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Assessment Anchor - S3.B.1 Structure and Function of Organisms
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Anchor Descriptor - S3.B.1.1 Identify and describe the similarities and differences of living things and their life processes.
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Eligible Content - S3.B.1.1.1 Identify and describe the functions of basic structures of animals and plants (e.g., animals [skeleton, heart, lungs]; plants [roots, stem, leaves]).
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Eligible Content - S3.B.1.1.2 Classify living things based on their similarities and differences.
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Eligible Content - S3.B.1.1.3 Describe the basic needs of plants and animals and their dependence on light, food, air, water, and shelter.
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Eligible Content - S3.B.1.1.4 Describe how plants and animals go through life cycles.
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