#Question id: 5011
#Unit 11. Evolution and Behavior
A swim bladder is a gas-filled sac that helps fish maintain buoyancy. The evolution of the swim bladder from lungs of an ancestral fish is an example of
#Question id: 5010
#Unit 11. Evolution and Behavior
Which of the following steps has not yet been accomplished by scientists studying the origin of life?
#Question id: 5009
#Unit 11. Evolution and Behavior
A genetic change that caused a certain Hox gene to be expressed along the tip of a vertebrate limb bud instead of farther back helped to make possible the evolution of the tetrapod limb. This type of change is illustrative of
#Question id: 5008
#Unit 11. Evolution and Behavior
Adaptive radiations can be a direct consequence of four of the following five factors. Select the exception.
#Question id: 5007
#Unit 11. Evolution and Behavior
Select the factor most likely to have caused the animals and plants of India to differ greatly from species in nearby Southeast Asia.
#Question id: 5006
#Unit 11. Evolution and Behavior
The oxygen revolution changed Earthʹs environment dramatically. Which of the following adaptations took advantage of the presence of free oxygen in the oceans and atmosphere?