Measuring Populations Answers

These two graphs represent _______ and _______ selection. a. directional; stabilizing b. stabilizing; disruptive c. disruptive; static d. static; directional Please select the best answer from the choices provided

Directional selection only occurs in response to naturally occurring events.

What are the three common patterns of population distribution?a.clumped, random, and curvedb.evenly spaced, clumped, and curvedc.clumped, evenly spaced, and randomd.random, curved, and evenly spaced

Directional selection can be distinguished from disruptive selection by _______.a.the elimination of extreme variations of traitsb.selection for two extreme variations of a traitc.the preservation of gene frequenciesd.selection for one extreme variation of a trait

With regards to a “Data (Age) Structure Diagram”, which of the following is an indicator of a rapidly growing population? a. a large elderly population b. a large middle age population c. a large teenage population d. a large child population Please select the best answer from the choices provided

Natural selection is an evolutionary mechanism by which _______.a.advantageous traits are eliminated in a populationb.advantageous traits become more common in a populationc.inherited traits pass consistently through generationsd.organisms choose which traits to look for in their offspring

Why do disruptive selection pressures tend to favor rapid evolutionary changes? a. They result in sudden gene frequency changes. b. They eliminate extreme genetic traits. c. They select for one variation of a genetic trait. d. They result in environmental adaptation. Please select the best answer from the choices provided

Which of the following is not a reason for cluster distribution of organisms?a.localized availability of resourcesb.herd behaviorc.hive behaviord.territorial behavior

Which of the following best describes the relationship between jaguars and panthers?a.Panthers and jaguars are separate species.b.Panthers are jaguars with predominantly dark or black pigmentation.c.Juvenile jaguars are black and called panthers.d.During winter Jaguars’ coats change from spotted to black.

Which of the following species would you most expect to be distributed according to a regular pattern?a.termitesb.stingless beesc.fishd.creosote bushes