Question

The list below shows some events which took place at different periods in the geologic time scale.

Answer 1

The right sequence will be 132.

Answer 2

Answer:

option b

Step-by-step explanation:

In different geologic time scale different species came into existence

in the question we are given with three species so, the order in which these species are there is 3,2,1

so, option b) is correct.

in silurian period the fishes with jaw appeared and after that the insects appeared so these comes out to first two to appear first then comes sharks.