A, B and C start at the same time in the same direction to run around a circular stadium . A completes a round in 252 seconds , B in 308 seconds and C in 198 seconds all starting at the same point . After what time will they meet again at the starting point ?

#Question id: 8684

#Section 2: Evolution

Use the following information to answer the question.

Which of the following trees, if any, depicts the same relationship among species as shown above?

#Question id: 8695

#Section 2: Evolution

Phylogenetic trees constructed from evidence from molecular systematics are based on similarities in ________.

#Question id: 9607

#Section 2: Evolution

The common housefly belongs to all of the following taxa. Assuming you had access to textbooks or other scientific literature, knowing which of the following should provide you with the most specific information about the common housefly?

#Question id: 8840

#Section 2: Evolution

There are at least a dozen known species in the extinct genus Lystrosaurus. If each species was suited to a quite different environment, then this relatively large number of species is likely due to

#Question id: 8841

#Section 2: Evolution

Adaptive radiations can be a direct consequence of four of the following five factors. Select the exception.

#Question id: 8842

#Section 2: Evolution

In terms of the hierarchical organization of life, a bacterium is at the __________ level of organization, whereas a human is at the __________ level of organization