In the work that they do, scientists who study phylogeny are most like a ____
a. police detective
b. medical doctor
c. carpenter
d. college professor
e. real estate agent
ANSWER: a
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What level of biodiversity are these scientists MOST concerned with?
The Florida panther, Puma concolorcoryi, is one of the most threatened species on Earth, with only 80-100 individuals remaining. Their population is most threatened by humans, habitat loss, and their own poor health due to genetic diseases. Some conservationists want to introduce new individuals from Texas, the mountain lion, Pumaconcolor. Scientists are currently uncertain whether the Florida panther and the Texas mountain lion are the same or different subspecies. A. Genetic diversity B. Population diversity C. Species diversity D. Local diversity E. Ecosystem diversity
The hypothesis that closely matches the data provided is:
A. spiders are the top predators on all islands. B. herbivorous insects survive best on islands where spiders and centipedes live. C. herbivorous insects and spider populations are decreased by centipedes. D. herbivorous insects feed on spiders and centipedes.
A cross between two individuals who differ with respect to two gene pairs is a
____________________ cross. Fill in the blank(s) with the appropriate word(s).
Who first described cells:
A. Linnaeus B. Golgi C. Leeuwenhoek D. Darwin E. Hooke