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प्रश्न
Very short answer question.
Define Speciation.
उत्तर
The process of formation of a new species from the pre-existing species is called speciation.
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संबंधित प्रश्न
List four factors responsible for speciation.
Which of the following represent tall plants and which represent short plants (or dwarf plants)?
(a) Tt
(b) tt
(c) TT
Give reason for your choice (The symbols have their usual meaning).
Name an animal having rudimentary eyes.
Fill in the following blank with suitable word:
Broccoli has evolved from .............. by the process of artificial selection.
Give an example of characteristics being used to determine how close two species are in evolutionary terms.
With the help of an example, explain how variation leads to evolution.
What is meant by a species?
State and define three factors responsible for the rise of a new species.
The theory of evolution of species by natural selection was given by
Complete the following chart:
| Animals | Connecting link between | |
| (1) | Balanoglossus | ______ |
| (2) | ______ | Annelida and Arthropoda |
| (3) | Lung fishes | ______ |
| (4) | ______ | Reptiles and mammals |
| (5) | Seymouria | ______ |
| (6) | Fishes and Amphibia |
