Topic Test Answers

Disruptive selection events select for _______.a.common traitsb.genetic uniformityc.camouflage traitsd.extreme traits

Which of the following is not a possible consequence of the introduction of invasive species?a.changes to the existing gene poolb.changes to an area’s diversityc.fragmentation, destruction, or alteration of habitatsd.no consequences

Which of the following factors would have the least effect on the carrying capacity of an ecosystem?a.the total number of organisms b.the available water supplyc.the available food supplyd.competitive exclusion

Which of the following is the most obvious sign of cluster distribution in termites?a.They are insects.b.They are detritivores.c.They are social insects.d.Many species of termites are considered pests.

Which of the following is an example of an even population distribution?a.corn planted in a fieldb.flocks of birdsc.people in a parkd.deer in a forest