Question

Explain the importance of fossils in deciding evolutionary relationships.

Answer 1

Fossil provide us evidence about

•  The organisms that lived long ago such as the time period during which they lived, their structure etc.
•  Evolutionary development of species i.e., line of their development.
•  Connecting links between two groups. For example, feathers present in some dinosaurs means that birds are very closely related to reptiles.
•  Which organisms evolved earlier and which later.
•  Development of complex body designs from the simple body designs.