Inquiry Activity 13:
Grouping Size: Work in partners.
Problem: How has the land egg contributed to the success of land vertebrates?
Materials: Media, textbook, egg models or diagrams (Internet sites: 1, 2, 3, 4)
Procedure: With your partner observe and diagrams, models, or specimens of eggs.
Identify how the egg provides a way for gas exchange, nutrition, water environment, waste disposal, and protection for the developing embryo.
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Analysis:
1.Infer how the land
egg has contributed to the success of land vertebrates. Provide evidence for
your inference.
2.From your study of
frog metamorphosis describe how the reptile egg has replaced the need to return
to water to reproduce.