Which of the following is an example of the Red Queen hypothesis?
A) spiders evolve resistance to a viral disease; the virus becomes more virulent
B) dogs evolve characteristics that are selected by humans
C) dinosaurs lack the adaptations to survive predation of their eggs by small mammals
D) horses evolve from a five toed animal to one toe
E) cats and cows separately, but for similar purposes, evolve scratchy tongues

Question

Quizplus · Accepted Answer

The Red Queen hypothesis proposes that in order to survive and thrive in a constantly changing environment, organisms must constantly adapt and evolve. One example of this is seen in the co-evolutionary arms race between viruses and their hosts, where as the host evolves defenses against the virus, the virus evolves mechanisms to evade those defenses and become more virulent. This is a clear example of the Red Queen hypothesis in action. The other choices do not fit the criteria of the hypothesis as closely.

Which of the Following Is an Example of the Red