Question

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Why do the scientists say frogs are used as an example of the vertebrate body plan?

Why do frogs have moist skin? What do they use their skin for that most another tetrapod (four-limbed creatures) do not?

What makes frogs atypical (not normal) amphibians? How is the name “Anurans” related to this unusual trait?

Where is the tympanic membrane on a frog? Where is our tympanic membrane?

What is unusual about a frogs tongue?

Identifying the sex of a frog can be difficult since there are not obvious external structures. Besides the tympanic membrane (which is usually slightly larger in males) what is another indicator of what sex the frog is?

Frogs and humans both have nostrils and eustachian tubes. However, unlike humans, frogs’ nostrils connect to the roof of their mouth, as do their eustachian tubes. What is the function of the eustachian tubes?

What is the function of the glottis? (humans have a similar structure called the epiglottis that does the same job)

Answer 1

Answer: frog's two front legs have four toes each, while the back legs have five toes each. ... like suction cups to help the frog cling on to wet leaves and other smooth surfaces. ... American bullfrog (Rana catesbiana); not to be confused with a toad. ... Within this large group, the name "toad" is given to those with dry, warty skin and ...

Step-by-step explanation: