1. 1 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. 2 Observation: Observation Chart CharacteristicObservations in TankObservations in Cup Body Covering Body Structures Movement Color Shape Size Adapted from Record Sheet 4A

3. 3

4. 4 Background information on pages TG 21-23

5. 5

6. 6

7. 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 7

8. 8

9. Extension: Frogs vs. Toads Supplemental Packet- Information Sheet, Venn Diagram Video Clip 9

12. More Info about Amphibians  Bill Nye’s Video Clip 12

13. 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 13 Don’t overfeed!!!