Answer the question using the accompanying figure. Which graph represents the age span of worker bees primarily

involved in foraging?



a. A
b. B
c. C
d. D
e. E


ANSWER: e

Biology & Microbiology

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The ______ prevents food/drink from entering the respiratory tract.

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Which of the following examples does NOT describe a predation event?

a. a pollinator eats the pollen and nectar of a flower b. a carnivore catches and eats a deer c. an herbivore eats a few of the leaves from a tree d. a producer creates energy from sunlight e. only b describes a predation event

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Biologists will eventually shift from a super tree to a tree based on analyses of whole genomes

a. true b. false

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In estimating the linear probability model for whether an individual clicked through on an advertisement based off whether the individual is on a mobile device or not, which of the following conditions may not hold from the resulting regression (ClickThroughi = ?0 + ?1Mobilei + Ui)?

A. The sum of the residuals for the mobile observations will be zero. B. The sum of the residuals will be zero. C. The sum of the residuals for the non-mobile observations will be zero. D. The sum of the predictions will be zero.

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