Question

- Birds
em?
1
2
their early stage.
3
5
6
Sharks and
rays have bones instead of cartilage.
O 00000
B
3.
water.
(a) salmon
(b) guppies
(c) gills
(d) duck-billed
platypus
(e) yolk
of laying eggs.
(f) albatross
(g) dinosaur
(h) bear
Fill in the blanks:
1.
means a long sleep during winter.
The classification of vertebrates and invertebrates is based on
2.
3
4.
is the simplest group of vertebrates.
have dry and scaly skin.
Body of birds and mammals is covered with
...... respectively.
and
5.
Write 'T' for True and 'F for False statements
Reptiles and mammals are warm-blooded animals.
Amphibians may have four legs and a tail.
Fishes, amphibians and birds are cold blooded animals.
1. A pre-historic huge lizard.
2. Abird with biggest wing span.
The food for young bird inside the egg.
4. An organ that helps in breathing under
6. A fish that migrates.
7. Mammal that undergoes hibernation.
Amphibians, like frog and toad, have developed lungs at
Animals without backbone are called invertebrates.
Match the following:
5. A fish that gives birth to young ones instead
8. An egg-laying mammal.​

Answer 1

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Answer 2

Answer:

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