Give the respective scientific terms used for studying:
(i) The mechanism by which variations are created and inherited and
(ii) The development of new type of organisms from the existing ones.
i) Genetics is the mechanism by which variations are created and inherited.
ii) Evolution is used for studying the development of new types of organisms from the existing ones.
If you focus the image of a distant object, whose shape is given
below, on a screen using a convex lens,
the shape of the image of this object on the screen would be:
What is DNA copying? State its importance.
(i) Planaria, insects, octopus and vertebrates all have eyes. Can we group eyes of these animals together to establish a common evolutionary origin? Justify your answer.
(ii) Birds have evolved from reptiles. State evidence to prove the statement.