#Question id: 4603
#XL - S Microbiology
Of the following anatomical structures, which is homologous to the bones in the wing of a bird?
#Question id: 4603
#XL - T Zoology
Of the following anatomical structures, which is homologous to the bones in the wing of a bird?
#Question id: 4604
#XL - S Microbiology
Structures as different as human arms, bat wings, and dolphin flippers contain many of the same bones, which develop from similar embryonic tissues. These structural similarities are an example of ________.
#Question id: 4605
#XL - S Microbiology
Over long periods of 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: 4605
#XL - T Zoology
Over long periods of 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: 4606
#XL - S Microbiology
Which of the following evidence most strongly supports the common origin of all life on Earth? All organisms ________.