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Read the following passage and make notes by drawing and filling the boxes given below: Vertebrate animals can be either warm-blooded or cold-blooded. A cold-blooded animal cannot maintain constant body temperature. The temperature of its body is determined by the outside surroundings. Cold-blooded animals are also called ‘ectothermic, which means outside heat. They are reptiles, amphibians and fishes. Warm-blooded animals are able to regulate their internal temperature. They have fur and feather to keep them warm. They are also called ‘endothermic’ meaning heat inside. They are birds and mammals. |
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Answer» i. warm-blooded ii. cold-blooded iii. ectothermic iv. reptiles v. amphibians vi. fishes vii. endothermic viii. mammals. |
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