#Question id: 4607
#Zoology
Members of two different species possess a similar-looking structure that they use in a similar way to perform about the same function. Which of the following would suggest that the relationship more likely represents homology instead of convergent evolution?
#Question id: 4608
#Zoology
What must be true of any organ described as vestigial?
#Question id: 4609
#Zoology
Pseudogenes are ________.
#Question id: 4610
#Zoology
It has been observed that organisms on islands are different from, but closely related to, similar forms found on the nearest continent. This is taken as evidence that ________.
#Question id: 4612
#Zoology
The greatest number of endemic species is expected in environments that are ________.
#Question id: 4616
#Zoology
Logically, which of these should cast the most doubt on the relationships depicted by an evolutionary tree?