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Frog Dissection Guide
Amphibians Phylum: Chordata Class: Amphibians (Means: double-life) Orders: Salamanders and Newts, Frogs and Toads, Ringed Caecilian Water as larvae and land as adults Breathing: Gills and skin larvae : Lungs and skin adults
Caeceilians
Reproduction Requires Moist Environment Eggs must develop in water (not-amniotic)
Countershading
Nictitating Membrane
Tympanic Membrane/tympanum
Breathing/Respiration: Skin and Lungs
Tadpole Breathing
Anatomy of Frog’s Mouth
Answer Key External Anatomy
Dissection Directions Read the directions to cut open the Frog Pin the frog for optimal viewing
Fat Bodies
Frog Liver Right lobe, left anterior lobe, and left posterior
Frog Heart
Gall Bladder Lungs, Stomach, Pancreas
Internal Anatomy Slide 2
Liver, Peritoneum, Fat Bodies and Heart
Male Urogenital System
Female Urogenital System
Female With Eggs
Answer Key
Male Urogenital Answer Key
Urogenital System Kidneys (D): Filter BloodUreters (G): Carry urine from kidneys to bladderTestes (C): Make spermOviducts (B): eggs travel through theseOvary: makes eggs (A) - ovary is often too small to see, but eggs are visible Urinary Bladder (F): Stores UrineCloaca (E): Where sperm, eggs, urine, and feces exit.
Frog Dissection Guide
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