Question

Write one point difference between each of the following. (a) Amphibians and Reptiles (b) Aves and Mammals (c) Gymnosperms and Angiosperms.

Answer 1

AMPHIBIAN

1) Their skin is glandular , smooth and moist .
2) Scales are not present in them .

REPTILES

1) Their skin is non-glandular , dry and keratinised .
2) Horny scales are present over their body surface .

AVES

1) Forelimbs are modified into wings .
2) The body is covered with feathers and scales .

MAMMALS

1) Wings are absent except in bats .
2) Feathers and scales are absent . Hair is present .

GYMNOSPERMS

1) Sporophylls are aggregated to form cones .
2) The seeds are naked .

ANGIOSPERM

1) Sporophylls are aggregated to form flowers .
2) The seeds are enclosed by a fruit wall .