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प्रश्न
TYRANNOSAURUS
(One of the extinct animals which lived on the Earth about 100,000,000 years ago) Tyrannosaurus was about six meters long and it preyed upon other animals.
What do you think about its classification-was it an amphibian, a reptile or a mammal?
Can you call it a relative of Kangaroo? Yes/No. Give reason
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उत्तर
No, it is not a relative of Kangaroo as Kangaroo is a mammal and Tyrannosaurus is a reptile.
Characteristics of Tyrannosaurus:
- The body has scales which may be horny
- Lays eggs which have a leathery shell
- One of the dinosaurs which moved on the earth. These ruled the earth. Some were vegetarian, others were non-vegetarian. Archaeopteryx is a link between reptiles and birds. Its fossils have been found, which vanished from the earth due to ice-age.
- Had three-chambered heart as ventricles are partially divided
- Cold-blooded animals.
संबंधित प्रश्न
Explain how animals in Vertebrata are classified into further subgroups.
Write down four characteristics of Ctenophora and give two examples.
Write down four characters of Chondrichtyes. Give two examples.
Describe some flight adaptations of the birds.
What are the group names of the following categories of animals?
Animals with three pairs of legs ___________
Given below is an animal followed by three terms or features. Underline the term which does not match with the animal.
Bat - Aves, Mammalia, Chordata
Name three animals (belonging to different classes) which breathe by means of lungs but have no external ears (pinnae).
Write down a flow chart showing subdivisions of kingdom Animalia.
Assertion: Binomial name is the universal name and contains two names.
Reason: It was first introduced by Carolus Linnaeus
Assertion (A): Reptiles are warm-blooded animals.
Reason (R): They have scales.
