Adult Hyla has

tympanum

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two chambered heart

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gills

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caudal fin

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Solution

The correct option is A
tympanum

Hyla (tree frog) is an amphibian, and has a tympanum. The other characters mentioned in the options, which are two chambered heart, gills and caudal fin, are characteristic of fishes. Gills and caudal fin however, may also be found in tadpoles, which are the larval stage of many amphibians.

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Similar questions

The feature that help fish to change its direction is:

A- Caudal fin and pelvic fin

B-Dorsal fin and anal fin

C- caudal fin only

D- Dorsal fin only

Question 15
Amphibians do not have the following

(a) Three chambered heart
(b) Gills or lungs
(c) Scales
(d) Mucus glands

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