#Question id: 4993
#XL - S Microbiology
If the prokaryotic flagellum developed from assemblages of proteins that originally were not involved with cell motility but with some other function instead, then the modern prokaryotic flagellum is a(n)
#Question id: 4997
#XL - S Microbiology
If one organ is an exaptation of another organ, then what must be true of these two organs?
#Question id: 4998
#XL - S Microbiology
Many species of snakes lay eggs, but in the forests of northern Minnesota where growing seasons are short, only live-bearing snake species are present. This trend toward species that perform live birth is an example of
#Question id: 5000
#XL - S Microbiology
The existence of evolutionary trends, such as increasing body sizes among horse species, is evidence that
#Question id: 5075
#XL - T Zoology
Which of the following developmental processes has been most recently completed in the amphibian embryo shown here?
#Question id: 5076
#XL - T Zoology
Homeotic genes are responsible for: