Which of the following gives birth to babies?
Lion is a mammal. Mammals give birth to their young ones and feed them with their milk.
What does an egg yolk contain?
Egg yolk contains food for the embryo.
Dolphins are mammals.
Which of these reproduces by laying eggs?
Frogs are amphibians. Amphibians reproduce by laying eggs.
A tadpole is the larva of a frog, it resembles the fish.
Which of the following is possessed by a tadpole but not by an adult frog?
A tadpole has a tail. The tail is reduced in a frog.
A student observed that birds sit on their eggs before the eggs are hatched into young ones. The reason is
Birds sit on eggs to provide warmth to the egg, so that they can hatch out.
The eggs of a frog are called
The eggs of frogs are called spawn.
Tadpoles respire through
Tadpoles resemble the fish. They respires through gills.
Which of the following insects go through a four-stage life cycle?