Dog Evolution

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Multiple Choice

Which statement can be made about this phylogeny?

• Species A, B, and C are extinct.

• Species C & D shared a common ancestor more recently than B & D.

• Species D will display the most advanced morphological characteristics.

• Species D is most closely related to Species A.

• Species D evolved from Species C.

Multiple Choice

Which of the following cladogram best represents this relationship?

Multiple Choice

According to the molecular evidence shown in the cladogram, which statement is most true?

• Foxes and wolves are closely related.

• Domestic dogs and wolves are as closely related to each other as they are to coyotes.

• Out of the canids tested, a Gray wolf is the most likely ancestor of the domestic dog.

• The domestic dog is the most evolved of the canids.

Multiple Choice

What is fitness in the evolutionary sense?

• Being the strongest and most able to get food.

• Being able to survive and reproduce more successfully than others.

• Being the most aggressive and fending off potential predators.

• Being the smartest and remembering where the best food resources are.

Multiple Choice

What characteristic is being selected for in the ancestral wolf population under Hypothesis 2?

• Ability to interact with humans.

• Capability of eating human waste.

• Behaviors that lead to tolerance of humans being around.

• Inability to run away from humans.

Multiple Choice

What did the first "dogs" give humans that is the most significant in evolutionary terms?

• An efficient garbage disposal.

• An affectionate pet.

• An early warning system that someone or something was approaching.