1.

2. Write two similarities between the following pairs:(a) Pisces and Amphibia(b) Snakes and lizards 2(c) Birds and mammals(d) Amphibians and reptiles

Answer»

a) Pisces and amphibia

1) Both are ectothermic means cold blooded.2) Both classes are vertebrates means they have backbone.3) Gills are present inamphibians in larval stagemaking themcapable to live aquatic life and fish have gills too.4)Nervous system is almost similar in pisces and amphibians.

(c)

c)

Vertebrates:both birds and mammalsare vertebrates, which means that they have backbones.

Endothermic (warm-blooded):both birds and mammalsare endothermic (warm-blooded). ...

Four-chambered hearts: the hearts ofboth birds and mammalshave four-chambers.

(d)

(d)



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