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7 Cards in this Set
- Front
- Back
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how did dog breeds evolve?
how long/dogs? diff btwn wolf and dog? |
artifical selection-man imposes upon them
10,000 yrs ago wolf: species of own natural selection search, eye stock, chase, kill dog: domesticated/artifical selection breeding weakened, tracking, hunting |
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individual variation and evol-
mutation=? sexual reprod-meiosis? what kind of adaptation? what kind of success? |
alleles
individual variation environmental reproductive |
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conditions of natural selection-
random? 6 factors? natural selection? population? result of what? affect what? to do what? adapt to what? |
not random/specific on most adapted and fit
reproduction genetic inheritance individual variations lmted resources preferential reproduction selective traits process by which biological populations are over time as a result of the propagation of heritable traits that affect the capacity of individual organisms to survive and reproduce organisms adapt to environment |
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on the edge of extinction-
one of the most endangered? what kind of species? where? what kind? when=? where? |
red wolf
shy species S.E. as top predator aggressive predator 1970=100 animals Texas and LA |
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happens if reintroduce?
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pred maintain balance and health of ecosys.
controlling over-pop of prey species removing unhealthy animals |
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"pack"?
how many animals? top? group called? how many wolves captive? overall, increase what? |
extended family unit
primary social struc of both red and gray wolves 5-6 animals alpha homeranges 157 wolves (captive) increase genetic diversity |
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DNA Fingerprinting-
when? who? what are used? to do what? what occurs? same? diff? use small # of what? |
1984/ Sir Alec Jeffreys
enzymes/ cut the DNA cut DNA run thru a + charged gel sep according to general size chem struc of everyone's DNA order of these pairs use small # of seq of DNA |
