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प्रश्न
Practise drawing various animals and plants.
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उत्तर
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संबंधित प्रश्न
The earliest fossil form, in the phylogeny of horse, is ______.
Which of the following is an example of link species?
Viviparity is considered to be more evolved because ______.
What is the most important pre-condition for adaptive radiation?
Match List I with List II.
| List I | List II |
| A. Mesozoic Era | I. Lower invertebrates |
| B. Proterozoic Era | II. Fish & Amphibia |
| C. Cenozoic Era | III. Birds & Reptiles |
| D. Paleozoic Era | IV. Mammals |
Choose the correct answer from the options given below:
When did the first cellular forms of life appear on Earth?
Which of the following early cell types contributed to the development of multicellular organisms?
Approximately how long ago did invertebrates exist in aquatic environments?
For approximately how many years did reptiles dominate the Earth?
Which of the following is an example of a reptile that returned to the water about 200 mya?
When did dinosaurs disappear from the Earth?
What possible explanation is given for the sudden extinction of dinosaurs?
How did the extinction of dinosaurs affect the evolution of mammals?
Which of the following best describes early mammals?
