In amphibians and reptiles, the ear is represented by

Fish, amphibians and reptiles are

Assertion : Double circulation is incomplete in amphibians and reptiles Reason : Unlike in birds and mammals, in amphibian and reptiles, the left atrium receives oxygenated blood and right atrium receives deoxygenated blood.

Assertion : Double circulation is incomplete in amphibians and reptiles Reason : Unlike in birds and mammals, in amphibian and reptiles, the left atrium receives oxygenated blood and right atrium receives deoxygenated blood.

Study the statements about chordates and identify correct ones (a) Columella auris present in middle ear of amphians is modified hyomandibula of fishes (b) Reptiles lay cleidoic eggs (c) Sphenodon is connecting link between amphibians and reptiles (d) Panthera tigris is an extinct animal of India .

Study the statements about chordates and identify correct ones (a) Columella auris present in middle ear of amphians is modified hyomandibula of fishes (b) Reptiles lay cleidoic eggs (c) Sphenodon is connecting link between amphibians and reptiles (d) Panthera tigris is an extinct animal of India .

Mention one characteristic which is common to : Amphibians and reptiles, but not to fishes.

Which ones are ammonotelic animals? (a) Amphibian and reptiles (b) Bony fishes and amphibian tadpoles (c) Cartilaginous and bony fishes (d) Amphibians and mammals

Which ones are ammonotelic animals? (a) Amphibian and reptiles (b) Bony fishes and amphibian tadpoles (c) Cartilaginous and bony fishes (d) Amphibians and mammals

In reptiles, tympanum represent __________