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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.
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संबंधित प्रश्न
Give four general characters of phylum Mollusca. Write down two examples.
What are adaptations in fishes due to which they are aquatic?
Write down four characters of Osteichtyes and give two examples.
Explain general characteristics of phylum Platyhelminthes and Nematoda. Give two examples of each.
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
Match the names of animal groups in Column I with the names of animals in column II.
|
Column I (Group) |
Column II (Animals) |
|
Annelida |
Pigeon |
|
Porifera |
Snake |
|
Mollusca |
Earthworm |
|
Reptilia |
Sponge |
|
Amphibia |
Octopus |
|
Pisces |
Trout |
|
Mammal |
Rabbit |
Which names are left out that do not match and why?
Give four important characters of mammals.
Give two examples of each of the following: Pisces
Give two examples of each of the following: Arthropoda
Select the INCORRECT statement from the following.
