Page 18 - Future Stars Science Explorer-5

Herbivores

Herbivores like cow, goat, deer, etc that

feed on plants. They have sharp incisors for
biting and broad molars for grinding the
food. Smaller herbivores like rabbit, rat and

squirrel nibble nuts and fruits with their

sharp front teeth and are called rodents. Cow Squirrel

Carnivores

Carnivores like tiger and lion have sharp,

pointed canines to tear flesh and broad
molars for chewing bones and flesh of
their prey.
Lion Tiger

Omnivores

Omnivores like human beings and bears

have well-developed teeth that help them
to eat both plants and flesh of other

animals. Birds like crow have strong beaks
that help their omnivorous eating habits. Bear Crow

Some birds have beaks specially designed to catch their
food. Hawks and owls have hooked beaks, while the
beaks of duck have broad notched for scooping and

straining mud. The beaks of sparrows are short and

straight and are useful for crushing seeds.
Hawk
Different insects have different types of mouth parts. Butterflies have a long,
tubular sucking mouth part called proboscis. It remains coiled like a watch

spring when not in use. When the butterfly needs to suck nectar from
flowers, it uncoils the proboscis. Mosquitoes have piercing and sucking

mouth part adapted for sucking blood.

Frogs have a sticky tongue fixed in front and free

behind. When it has to catch insects, it shoots out the
tongue, the prey sticks to it, and then the tongue is
Frog

18 Science-5