First slide
Classification of Animals
Question

Read the following statements. 

(a) Fishes possess a two-chambered heart with one auricle and one ventricle.

(b) The eyes of amphibians lack eyelids.

(c) The name Reptilia refers to their creeping or crawling mode of locomotion.

(d) Air sacs connected to lungs supplement ventilation in birds.

(e) Mammals are viviparous without any exception.

Choose the correct answer from the options given below.

Moderate
Solution

The eyes of amphibians have eyelids.

The class name ‘Reptilia’ refers to their creeping or crawling mode of locomotion (Latin, repere or reptum, to creep or crawl). 

Birds have air sacs to supplement ventilation.

Prototherian mammals (e.g., platypus) are oviparous.

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