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प्रश्न
Write one difference between the following pair:
Porifera and Coelenterata.
उत्तर
| Porifera | Coelenterata | ||
| 1 | Body is porous i. e. bears many tiny pores to draw water into the body cavity. | 1 | Sac-like body with only one opening i.e. mouth. |
| 2 | e.g. Sponge | 2 | e.g. Jellyfish, hydra, sea anemone. |
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संबंधित प्रश्न
Name one example of the animal which shows the following characteristics:
Has a flattened ribbon-like body:
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 |
Select the most appropriate answer.
Scorpions and spiders are
Select the most appropriate answer.
Milk in the body of mammals is produced by
Differentiate between
warm-blooded and cold-blooded animals.
State if the following statement is true or false. Correct the statement if it is false.
A tapeworm is a flatworm that lives in the human intestine.
Answer in detail.
Write two characteristics of the reptiles.
Answer in detail.
Write two characteristics of mammals
Answer in detail.
How are the bones of birds different from those of other vertebrates?
______ formed during embryonic development.
