In which one of the following the genus name, its two characters and its class/phylum are correctly matched?
| Genus name | Two characters | Class/Phylum |
|---|---|---|
| 1. Aurelia | (a) Cnidoblasts (b) Organ level of organization | Coelenterata |
| 2. Ascaris | (a) Body segmented (b) Males and females distinct | Annelida |
| 3. Salamandra | (a) A tympanum represents ear (b) Fertilization is external | Amphibia |
| 4. Pteropus | (a) Skin possesses hair (b) Oviparous | Mammalia |
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Bed Bugs contribute to the spread of |
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Annelids are called ______ worms. |
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Insect mouthparts are adapted for different functions in different species. Mouthparts of houseflies are used for |
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Earthworms eliminate cellular wastes and excess water through excretory tubules called ______. |
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Sharks, skates, and rays are also called ______ fishes. |
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In planarians water enters the body by ______. |
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A phenomenon when parasite parasitizes themselves is known as |
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Air bladder is present in |
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All flat worms differ from all round worms in having |
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Which one of the following is the true description about an animal concerned? |
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