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प्रश्न
On the basis of characteristics given below, name the phyla: Unicellular, microscopic animals.
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उत्तर
Protozoa
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संबंधित प्रश्न
Fill in the blank.
.................. do not have a backbone, while vertebrates have it.
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..................... and liver fluke live in the intestines of human beings and cattle.
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................. is an example of a crustacean.
Find the odd one out. Give reason.
frog, shark, seahorse, carp
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Write a short note on annelids.
Answer in detail.
Write two characteristics of amphibians.
Given below are groups of animals, and their characteristics features. Some of the features are incorrect. Identify the odd one out in each.
| Group | Characteristic features | Odd one out |
| Porifera | porous animals, have tentacles, fixed to surface | |
| Amphibia | cold-blooded, lungs in adults, scaly skin | |
| Aves | cold-blooded, wings, feathers, bones with large air spaces | |
| Pisces | live in water, scaly skin warm-blooded, fins for swimming |
The biggest vertebrate animal is the ______.
What is the sub-phylum of prochordates?
What are pneumatic bones?
