Answer the question using the accompanying figure. Which graph represents the age span of worker bees primarily
involved in feeding the brood?
a. A
b. B
c. C
d. D
e. E
ANSWER: b
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The calculation for determining sex ratio is
A) averaging the percentage of students who are female in many large school populations. B) the number of males divided by the number of females multiplied by 1,000 for people of a particular age. C) 1,000 minus the number of whichever sex is in excess. D) the number of Y chromosomes in a population divided by one-third the number of X chromosomes.
What benefit will plants gain from the fungal hyphae when they are involved in a mycorrhiza relationship?
a. Dispersal of the plant seeds b. Structural support c. Increased reproductive capabilities d. Protection e. Increased surface area for absorption of water and nutrients
Variation among individuals that is due to variation in factors other than environmental influences is called ________
A) phenotypic variation B) genetic variation C) broad-sense heritability D) narrow-sense heritability
The work of which individual is most directly associated with the principle of parsimony?
a. Linnaeus b. Aristotle c. Occam d. Lamarck e. Lyell