Bio%203%20practice%20final

Bio%203%20practice%20final - 1 Name_ 1. Briefly define (12...

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1 Name____________________ 1. Briefly define (12 points): Master regulatory gene Forager locus Direct reciprocity game Carbonaceous chondrite Ecological niche Desertification
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2 Name____________________ 2. Match each term on the right with its best match on the left. There is one term on the left that does not match. (10 points) ___ Appearance of grasses 1. Drosophila ___ Phylum Arthropoda 2. Cretaceous Period ___ Age of Fishes 3. Coral polyp ___ Subkingdom Protozoa 4. Paramecium ___ Permo-Triassic 5. Convergent evolution ___ Class Mammalia 6. Cambrian Period ___ Domain Archaea 7. Australopithecus ___ Earliest life 8. Devonian Period ___ First chordates 9. Archaean Eon ___ Phylum Cnidaria 10. Greatest mass extinction ___ Marsupial and placental moles 3. When a member of a vampire bat colony begs for food, even from an unrelated member of the colony, the other bat willingly regurgitates some blood to feed the bat that is begging. a) Suggest a reason why this altruistic feeding behavior may have evolved in the bats. (3 points)
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3 b) Suppose that a mutant gene for selfishness appears in the colony. Bats carrying the gene beg for food, but do not feed other bats. Describe carefully how the ability of the bats to modify their behavior through learning could prevent the mutant gene from spreading through the population. (10 points) (more room on next page)
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This note was uploaded on 04/08/2008 for the course BILD 3 taught by Professor Wills during the Fall '07 term at UCSD.

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Bio%203%20practice%20final - 1 Name_ 1. Briefly define (12...

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