Question

State whether true or false. Correct the statements that are false.
i) Variations give the organisms an individuality of their own.
ii) Charles Darwin postulated the use and disuse theory.
iii) To understand evolution, a branching diagram or a tree diagram is used to show the
inferred evolution and the relationship among various biological species.
iv) Genetic engineering is the modification of the genetic information of living organisms
by manipulation of DNA by adding, removing or repairing part of the DNA and
changing the phenotype.

Answer 1

1)

It is a true statement that the variations give the organisms their own individuality. There are many reasons which make the variation a significant part of survival. It is also considered as a material for the evolution of a being.

2)

Charles Darwin has not postulated the use & disuse theory.

The theories were actually postulated by Lamarck. Charles Darwin just supported the basic idea of the theory.

3)

True. A tree diagram is used for a clear depiction of the relationship between several biological species.

4)

True.

Genetic engineering deals with the modification of the characteristics of the organisms.

This is done by manipulation of their genetic material.

Answer 2

I hope this helps you....