Populations and Ecosystems - Populations consist of individuals of a species that occur together at a given place and time. All populations living together and the physical factor with which they interact compose an ecosystem. The student will engage in investigations that integrate the process standards and lead to the discovery of the following objectives:
| Content | Skills | Learning Targets | Big Ideas | Essential Questions |
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Populations
Ecosystems
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4 - Integrate (Investigations)
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4 - I can integrate process standards in an investigation to discover more about this standard.
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A. Ecosystems consist of various populations of different species within a given place and time and the physical factors that impact them.
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A.1 What are some examples of populations within your community?
A.2 What are possible physical factors that impact different populations?
A.3 For your given area, describe the ecosystem around you?
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In all environments, organisms with similar needs may compete with one another for resources, including food, space, water, air, and shelter. Other relationships may be beneficial (e.g., producers/autotrophs, consumers/heterotrophs, symbiosis).
| Content | Skills | Learning Targets | Big Ideas | Essential Questions |
|---|---|---|---|---|
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Organism Relationships
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4 - Integrate (Investigations)
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4 - I can integrate process standards in an investigation to discover more about this objective.
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A. Organisms, within a given environment, have varying relationships which depends on the similarity of needs.
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A.1 Organisms, in a given environment, compete for what kinds of resources?
A.2 What kinds of relationships are possible between organisms?
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Organisms within an ecosystem are dependent on one another and on nonliving components of the environment. Some source of energy is needed for all organisms to stay alive and grow. Energy transfer can be followed in food chains and webs.
| Content | Skills | Learning Targets | Big Ideas | Essential Questions |
|---|---|---|---|---|
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Components of Organism Dependence
Energy Transfer
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4 - Integrate (Investigations)
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4 - I can integrate process standards in an investigation to discover more about this objective.
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A. Organisms within an ecosystem depend on one another and nonliving components in the environment.
B. Energy is transferred from one organism to another throughout an ecosystem.
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A.1 What nonliving components of an environment do organisms depend.
A.2 In what ways do organisms depend on another?
B.1 How does a food chain show energy transfer?
B.2 How does a food web show energy transfer?
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