Exam 13: Adaptation and Species

A lizard is attacked by a bird.The lizard escapes and survives without his hind legs.Fortunately for this lizard,the loss of his hind limbs allows him to live within a smaller crevice than other lizards of the same species,so he experiences less competition.Which of the following is true for this lizard?

This figure shows two squirrels that represent two separate species.Explain how the geographic barrier between these two populations led to the formation of two distinct species.

Identify whether a type of reproductive barrier is prezygotic or postzygotic. -ecological isolation

The best explanation of the role of coevolution in speciation is that coevolution

Choose two different reproductive barriers that lead to sympatric speciation and explain how they work.