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Subject Area - 4:
Environment and Ecology
Environment and Ecology
- Standard Area - 4.1: Ecology
- Grade Level - 4.1.7: GRADE 7
Standard - 4.1.7.A
Describe the relationships between biotic and abiotic components of an ecosystem.
- Compare and contrast different biomes and their characteristics
- Describe symbiotic and predator/prey relationships
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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 - S7.B.3 Ecological Behavior and Systems
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Anchor Descriptor - S7.B.3.1 Compare the biotic and abiotic factors of different ecosystems and explain relationships between and these factors.
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Eligible Content - S7.B.3.1.1 Describe relationships (e.g., predator/prey competition, symbiosis) between organisms in different ecosystems.
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Eligible Content - S7.B.3.1.2 Identify the major biomes (terrestrial and aquatic) and describe their characteristic biotic and abiotic factors.
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Anchor Descriptor - S7.B.3.2 Explain ways different variables may cause and/or influence changes in natural or humanmade systems
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Eligible Content - S7.B.3.2.1 Identify and describe factors that cause and/or influence changes in populations (e.g., deforestation, disease, land use, natural disaster, invasive species).
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Eligible Content - S7.B.3.2.2 Explain how diversity affects the integrity of natural ecological systems.
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Eligible Content - S7.B.3.2.3 Describe how human interactions with the environment impact an ecosystem (e.g., road construction, pollution, urban development, dam building/removal).
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Eligible Content - S7.B.3.2.4 Explain how changes in environmental conditions can affect the survival of a population and entire species (e.g., climate, hibernation, migration, coloration).
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Anchor Descriptor - S7.B.3.3 Explain how renewable and nonrenewable resources provide for human needs and how these needs impact the environment.
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Eligible Content - S7.B.3.3.1 Explain how renewable and/or nonrenewable resources provide for human needs (i.e., energy, food, water, clothing, and shelter).
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Eligible Content - S7.B.3.3.2 Explain how the use of renewable and/or nonrenewable resources affects the environment.
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Assessment Anchor - S7.D.1 Earth Features and Processes that Change Earth and Its Resources
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Anchor Descriptor - S7.D.1.1 Describe Earth structures and processes that characterize different biomes on Earth.
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Eligible Content - S7.D.1.1.1 Identify and describe soil characteristics (i.e., particle size, porosity, and permeability) of different biomes.
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Eligible Content - S7.D.1.1.2 Explain how fossils are formed and how they can provide evidence about plants and animals that once lived on Earth.
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Anchor Descriptor - S7.D.1.2 Describe characteristic features and significance of Earth’s water systems.
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Eligible Content - S7.D.1.2.1 Compare the different water systems on Earth (e.g., wetland, watershed, ocean, river).
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Eligible Content - S7.D.1.2.2 Compare biotic and abiotic features of freshwater and saltwater systems.
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Eligible Content - S7.D.1.2.3 Describe the importance of water systems on the diversity and distribution of life on Earth.
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