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Get Answers to all your Questions
(a) List in tabular form two differences between acquired traits and inherited traits.
(b) Give an example of body characteristics used to determine how close two species are in terms of evolution and explain it.
Answers (1)
(a) Difference Between acquired trait and Inherited traits
| Number | Basis of Difference | Acquired traits | Inherited traits |
| 1. | Nature of traits | These traits are acquired by a person from his environment | These traits are inherited by the person from his parents |
| 2. | Transfer of trait | These traits do not have to transfer in the next generation. Eg - Knowledge, skill etc |
These traits transfer in the next generation. Eg - Eye colour height etc. |
(b) Two Characteristics of Body
1. Analogous organs
2. Homologous Organs
These characteristics are used to find evolutionary relationships, the structure of forelimbs are similar between human and birds this shows the closeness of species in evolutionary terms.
The forelimbs, having similar structure and similar organ functions differently in human and birds as per their need, these are called Homologous Organs.
Other hands, when the different animal, having a different structure, functions similarly these are called analogous. Eg - wings of birds and wings of insects.
