Question

Explain the importance of fossils in deciding
evolutionary relationship.
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Answer 1

Answer:

Fossils are the remains of the organisms which died millions of years ago. They help us to find the evolutionary links of different species. 1- The fossils closer to earth surface are complex than the ones found in the bottoms that shows the evolution of species in different time periods.

Answer 2

Answer:

Explanation:

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.