#Question id: 4655
#Zoology
Over evolutionary time, many cave-dwelling organisms have lost their eyes. Tapeworms have lost their digestive systems. Whales have lost their hind limbs. How can natural selection account for these losses?
#Question id: 4656
#Zoology
Logically, which of these should cast the most doubt on the relationships depicted by an evolutionary tree?
#Question id: 4657
#Zoology
Which of the following statements most detracts from the claim that the human appendix is a completely vestigial organ?
#Question id: 4658
#Zoology
Members of two different species possess a similar-looking structure that they use in a similar fashion to perform the same function. Which information would best help distinguish between an explanation based on homology versus one based on convergent evolution?
#Question id: 4698
#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: 4699
#Zoology
The theory of evolution is most accurately described as