Unit 17: Structure, Function, and Survival

Lesson 2: What are external structures and how do they differ among organisms?

Unit Overview: Structure, Function, and Survival
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Read: Unit Pre-/post-assessment answer key
Reflect: Bridge to Practice Questions
Bridge to Practice Questions – Unit 17 Overview
Lesson-by-Lesson Implementation
Lesson 1: How are animals and plants able to survive where they live?
3 Activities
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Read: Teacher Guide
Reflect: Bridge to Practice Questions
Lesson 2: What are external structures and how do they differ among organisms?
3 Activities
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Read: Teacher Guide
Reflect: Bridge to Practice Questions
Lesson 3: What are internal structures, and how do they differ among organisms?
3 Activities
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Reflect: Bridge to Practice Questions
Lesson 4: What are external and internal causes of an organisms behavior?
3 Activities
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Reflect: Bridge to Practice Questions
Lesson 5: How do an organism’s structures work together to help it?
3 Activities
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Lesson 6: How are we able to see objects?
3 Activities
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Lesson 7: How can we contribute the way very different creatures sense amd respond to information from their enviroment?
3 Activities
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Reflect: Bridge to Practice Questions
Lesson 8: What are the structures of an insect, and how does it use them?
3 Activities
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Reflect: Bridge to Practice Questions
Lesson 9: How can we design an ideal habitat for an insect?
3 Activities
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Lesson 2: What are external structures and how do they differ among organisms?
Unit 17: Structure, Function, and Survival Lesson 2: What are external structures and how do they differ among organisms?

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