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Unformatted text preview: Frog External Anatomy 1. Observe the dorsal and ventral sides of the frog. How do they differ in color? Dorsal side color ___________ Ventral side color ____________ 2. Examine the hind legs. How many toes are present on one foot? ________ Are the toes webbed? ______ 3. Examine the forelegs. How many toes are present on one foot? _________Are the toes webbed? _______ 4. Use a ruler to measure your frog, measure from the tip of the head to the end of the frogs backbone (do not include the legs in your measurement). Compare the length of your frog to other frogs Your Frog (length in cm) Frog 1 Frog 2 Frog 3 Frog 4 Average Length of Grass Frogs 5. Locate the frogs eyes, the nictitating membrane is a clear membrane that attached to the bottom of the eye and is used for protection of the eye. Use tweezers to carefully remove the nictitating membrane. You may also remove the used for protection of the eye....
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