Page 23 - Active Science 5 Ebook and Activity

Fresh Water
The water in ponds, rivers and lakes is

called fresh water. The amphibians
like frogs, shrimps and fish are examples
of animals living in fresh water. The
amphibians can breathe with their lungs Frog Fish
on land and with gills in water. Therefore,

they can survive both on land and in water. Gills
A typical gill consists of a stack of thin flaps
connected to the animal’s blood supply. The Water flows
in through
flaps absorb oxygen from water and pass it mouth
into the blood, which transfer it to the tissues.
Carbon dioxide is given out into water. Freshwater Animals

Frogs have long legs and webbed feet, ducks’ swans’ have webbed feet and cranes’ have
long legs respectively, help them to survive in water easily.

Ocean

The oceans are reservoirs of salty water
and form the largest habitat of the earth.
The oceans like the Indian Ocean, the Crab

Southern Ocean, the Atlantic Ocean and
the Pacific Ocean are the home of a large Octopus
variety of animals like whales, dolphins, Some Animals Living
in Ocean
clams, crabs, octopus, corals, fish, sharks,

prawns, sea turtles, jellyfish and many
other types of animals. Shark

Polar Regions
The polar regions and mountains are

characterized by very cold and long winters
and short and cold summers. The animals in
the polar regions especially penguins have Penguin
thick fur on their body. They have a layer of Animals of Polar Habitat

fat under their skin called the blubber. It
Do You Know?
helps in keeping the body warm. Penguin, Polar Bear With a coat that changes
polar bear, Arctic fox, seal and walrus are colour and with thick fur even
some examples of polar animals. on their paws, Arctic foxes are
well adapted to their habitat’s
extreme cold.

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