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How is the structure of gills?
Whales and dolphins live______________.
__________ take in water through their mouth. When this water passes over the gills, oxygen dissolved in the water is absorbed.
During the process of absorption, Fishes release carbon dioxide and passes it out through__________.
How do dolphins take in oxygen?
Dolphins and whales cannot breathe____________.
What is blowhole?
How does the blowhole of dolphin works?
An earthworm breathes through its_____________.
Frogs breathe through their skin_______________.
When frogs are on land they breathe through their____________.
Baby frogs are also called as___________.
Tadpoles breathe through their___________.
Why do animals move from one place to another?
Some terrestrial animals have_________ number of limbs.
The front limbs of terrestrial animals are called _____________.
The back limbs of animals living on land are called__________
Human beings use their____________to walk, stand, run and swim.
Human beings use their forelimbs or arms ____________.
How do the legs of human beings help them?
Which of the following animals walk and run on all the four limbs/legs?
Why do kangaroos hop about on their hind limbs?
Crocodiles and lizards have__________.
Crocodiles use their short legs to_____________.
Where do lizards crawl?
How is the body of a snake?
How are the muscles of a snake?
How is the backbone of a snake?
What are the features of a snake which help them to grip the ground and move?
What makes the insects move?
How do the cockroaches and ants crawl?
Grasshoppers and stick insects have_______________.
How do the grasshoppers and stick insects use their long hindlimbs?
Which of the following insects have wings for flying?
What are the wings of butterflies made up of?