The statistical study of populations including sex ratio, age structure, and predicting growth rates is called _________.  

A.  ethology
B.  demography
C.  population genetics
D.  biometrics


B.  demography

Biology & Microbiology

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What would be the effect on phloem transport of a mutation in the sucrose transport protein that caused ATP to not bind efficiently?

A. There would be no effect. B. Water diffusion into the phloem would increase. C. Turgor pressure would be reduced. D. The direction of the flow of sap would be reversed.

Biology & Microbiology

Two plant species live in the same location and flower at the same time, but do not hybridize because they have

unique pollinators. This is an example of ____.

a. hybrid inviability b. hybrid breakdown c. a postmating reproductive mechanism d. a postzygotic reproductive barrier e. a prezygotic reproductive barrier

Biology & Microbiology

In this simulation, how is respiration rate being measured?

a. CO2 production b. CO2 consumption c. O2 production d. O2 consumption

Biology & Microbiology

__________ begins in an area where there was a preexisting community and well-formed soil

a. Character displacement b. Species richness c. Primary succession d. Secondary succession e. Competitive exclusion

Biology & Microbiology