An individual with the Huntington's allele will always pass the allele on to their children
a. True
b. False
b
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Based on this graph of vascular plant species on a volcanic island, at what point would you hypothesize that sea gulls began nesting on the island?
1.1998
2.1973
3.1965
4.1986
Which of the following builds up between the two
membranes of the mitochondria? a. pyruvate b. acetyl-CoA c. hydrogen ions d. electrons e. NADH
Which sequence of events describes natural selection?
A) A population of a mammal species varies in the length of their legs; water levels rise and the habitat becomes swampy; the individuals with shorter legs are better able to swim to food; the population evolves to become shorter-legged. B) A population of a mammal species lives near the water; water levels rise and the habitat becomes swampy; the animals have trouble moving in the water; the population changes to a shorter-legged type so they can move more easily in the water. C) Water levels rise, and a habitat becomes swampy; a population of a mammal species on high ground observes the change; individuals with shorter legs migrate to the area. D) A population of a mammal species lives near the water; water levels rise and the habitat becomes swampy; the act of swimming shortens the legs of the mammals; the offspring of the mammal species have shorter legs.
Which unicellular fungus is probably in most kitchens?
a. mold b. mushroom c. yeast d. rust e. dirt