Changes in homeotic genes allometric growth 6 biol


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Unformatted text preview: hey were collected. Which species concept will you have to use? A. Biological species concept B. Morphological species concept C. Phylogenetic species concept 5 BIOL 1001M Midterm II KEY Kelly W2013 vA D. Ecological species concept 18. In sea urchins, eggs of different species have the ability to recognize surface proteins on sperm from males of their own species. This is an example of A. B. C. D. E. Hybrid breakdown Hybrid inviability Mechanical isolation Gametic isolation Behavioural isolation 19. Which of the following would NOT be a good example of prezygotic reproductive isolation? A. Two bird species live in the same area and, while similar in plumage (feathers), engage in dramatically different courtship dances. B. Two beetle species are superficially similar in appearance, but the structure of the male penis and the female genitalia prevents males from one species from copulating with females of the other. C. Two plant species have wind- dispersed pollen that lands on the styles and grows a pollen tube through the ovary of either species; however, in hybrid matings, the sperm cannot fertilize the ovum. D. Two frog species meet and can mate with eac...
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