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प्रश्न
Differentiate between
aves and mammals
उत्तर
| aves | Mammals | ||
| 1 | Their body is covered with feathers. | 1 | They have hair on their body. |
| 2 | Forelimbs are modified into wings to fly. | 2 | Forelimbs exist as hand, paw, or hooves. |
| 3 | They have a horny beak with no teeth. | 3 | They have a mouth with teeth. |
| 4 | They lay eggs. with no teeth. | 4 | They give birth to young ones. |
| 5 | They don’t have mammary glands. | 5 | They have mammary glands i.e. they suckle their babies. |
| 6 | They have hollow bones. | 6 | They have solid bones. |
| 7 | e.g. Crow, parrot. | 7 | e.g. Humans, dogs. |
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संबंधित प्रश्न
Categorize the following animals under their appropriate columns of classification
| Animals | ||||
| Dog | Grasshopper | Rat | Scorpin | Toad |
| Butterfly | Lizzard | Turtle | Frog | Bat |
| Snail | Honey bee | Pigeon | Liverfluke | Leech |
| Cattle | snake | Rohu | Parrot | Ascaris |
| Earthworm | Cow | Rabbit | Monkey | Elephant |
|
Classification: |
||||
| Worms | Molluscs | Fishes | Amphibians | Reptiles |
| Birds | Mammals |
Fill in the blank.
Most arthropods have a tough outer body covering called ..........................
Find the odd one out. Give reason.
ant, cockroach, spider, dragonfly
Find the odd one out. Give reason.
snail, oyster, earthworm, octopus
Write a short answer.
Name the special organs of excretion in annelids?
Mention any one major similarity and one major difference in the following pairs of an animal:
Cuttlefish and Dogfish
Mention any one major similarity and one major difference in the following pairs of an animal:
Wall lizard and Frog
Name the various phyla of non-chordates with two examples.
Which one is the most striking or (common) character of the vertebrates?
What is the unique feature of chordates?
