Fossil Records as Evidence for Evolution

1. What similarities have you observed in these species' skulls that will lead to the conclusion that they are related to one another?

• The size of the skull.

• The pointy bone on the head.

• The triangular shape of the head.

• The gap between the front and rear teeth

2. What are the changes in the skull anatomy that occurred from the dawn horse to the modern horse?

• Increase in the size of the skull.

• Elongation of the face.

• Space between the incisors and cheek teeth.

• Decrease in the size of the pointy bone on the head.

3. What is the biggest change in leg anatomy that occurred from the dawn horse to the modern horse?

• Increase in the number of toes.

• Decrease in the number of toes.

• Change in the external structure

• Increase in the mass of bone

4. Based on the fossil records, do you believe that the modern horse evolved from the dawn horse? Explain your answer briefly.

5. Are fossil records reliable and accurate? Explain your answer.