Chapter 29, Problem 14RQ

What animals group evolved from the amphibians with the arrival of the amniote egg?

To determine

The group of animals that evolved from the amphibians with the arrival of the amniote egg.

Answer to Problem 14RQ

The group of animals that evolved from the amphibians with the arrival of the amniote eggreptiles and mammals.

Explanation of Solution

In the Carboniferous period, most of life continued to evolve. Insect became more diverse, like cockroaches and dragonflies were having a wingspan of approximately 80 centimeters. During this period, from the first amniotes, the vertebrate group that includes reptiles and mammals today, were evolved. These amniotes were having eggshells, which provide a completely self-contained environment for the embryo. It protected the embryo from drying out due to the dry condition. This leads to the evolution of reptiles and mammal, as animals from an egg can move completely on the land.

Conclusion:

Therefore, the group of animals that evolved from the amphibians with the arrival of the amniote egg reptiles and mammals.