Biological Evolution

Grade Level: 3rd

Subject: Science

Time Frame: 4 weeks (January/February)

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Essential Questions

 

- how and why do a habitat of an organism can affect its survival over time?
- what is the difference between biotic and abiotic factors?
- what are examples of adaptations to increase survival?
- what happens to a species of it cannot survive changes in the environment?
- How can we study extinct species?
- what information about the environment can we learn from fossils?
- what are examples of environmental disturbances?
- what are some positive and negative impacts humans have on the environment?

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By the end of the unit, students will know:

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- habitats include biotic and abiotic factors 
- fossils indicate changes of environments on Earth
- adaptations help organisms survive
- environmental changes affect an organism's survival

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By the end of the unit, students will be able to:

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- identify biotic and abiotic factors in the environment
- analyze and interpret data to understand what has lived on Earth over time
- identify and explain specific causes of environmental change; and the direct implications for species in that environment
- define a problem and propose solutions for an environmental issue

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Topics

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- habitats
- adaptations
- fossils
- how fossils are used
- disturbances

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Standards

3-LS4-1, 3-LS4-2, 3-LS4-3, 3-LS4-4