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Question 30: (a) What is meant by a species? Give two examples
Biology by Lakhmir Singh
Biology

Class 10

Lakhmir Singh

Author:
Lakhmir Singh
Publisher:
S. Chand
Subject:
Science
Question

Question 30: (a) What is meant by a species? Give two examples of plant species and two of animals.
(b) State the various factors which could lead to the formation of new species.

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Biology (Lakhmir Singh)

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Question 30: (a) What is meant by a species? Give two examples of plant species and two of animals.
(b) State the various factors which could lead to the formation of new species.
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Answer: (a) A species is a population of organisms consisting of similar individuals which can breed together and produce fertile     offspring. Wheat and paddy are examples of plant species. Humans and cats are examples of animal species.

(b) The important factors which could lead to the formation of new species are:
    (i) Geographical isolation of a population caused by various types of barriers
    (ii) Genetic drift caused by drastic changes in the frequencies of particular genes, by chance alone
    (iii) Variations caused in individuals due to natural selection.
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Question Text
Question 30: (a) What is meant by a species? Give two examples of plant species and two of animals.
(b) State the various factors which could lead to the formation of new species.
TopicHeredity and Evolution
SubjectScience
ClassClass 10
Answer TypeText solution:1
Upvotes4