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Lesson 4: Observing the Frogs More Closely

Lesson 4: Observing the Frogs More Closely. Question : What characteristics of the frog help it to survive in its natural habitat ? Hypothesis : (Predict and Share) Plan : Observe the features of the frog in a tank and in a cup using a hand lens. Adapted from Record Sheet 4A.

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Lesson 4: Observing the Frogs More Closely

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  1. Lesson 4: Observing the Frogs More Closely Question: What characteristics of the frog help it to survive in its natural habitat? Hypothesis: (Predict and Share) Plan: Observe the features of the frog in a tank and in a cup using a hand lens.

  2. Adapted from Record Sheet 4A Observation: Observation Chart

  3. Draw an illustration of the dwarf African frog.

  4. Background information on pages TG 21-23

  5. Facts about the Dwarf African Frog • Size- 4 cm (1 ½ inches) • Natural habitat—fresh water in Democratic Republic of the Congo and lower Congo • Adult frogs breathe through lungs; take oxygen from air • Burbling • Feeding behavior • Successful breeding not likely in captivity

  6. Extension

  7. Extension: Frogs vs. ToadsSupplemental Packet- Information Sheet, Venn DiagramVideo Clip

  8. More Info about Amphibians • Bill Nye’s Video Clip

  9. Fiddler Crabs • 24 hours before arrival: Prepare two holding pails with salt water and sand • Net crabs and place in holding tanks • Feed dried fish food immediately—one pinch in water and one pinch in sand • Cover pails—provide air holes • Crabs need indirect light and temperatures between 68-77 degrees Don’t overfeed!!!

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