Campbell Biology Chapter 54 Practice Exam Study Guide with Complete Solutions

Campbell Biology Chapter 54 Practice Exam Study Guide with Complete Solutions According to the principle of competitive exclusion, two species cannot continue to occupy the same _____. environmental habitat biome range ecological niche territory - Answer️️ -ecological niche Of the choices below, which best describes the effect predation has on the predator/prey organisms involved in the relationship? benefit ... no effect no effect ... benefit harmed ... harmed benefit ... benefit benefit ... harmed - Answer️️ -benefit ... harmed The term used to describe a harmless organism resembling a harmful one is _____. Batesian mimicry warning coloration cryptic coloration ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Tuesday, September 3, 2024 10:30 AM Page | 2 aposematic coloration Müllerian mimicry - Answer️️ -Batesian mimicry Cellulose-digesting microorganisms live in the guts of termites and ruminant mammals. The microorganisms have a home and food, and their hosts gain more nutrition from their meals. This relationship is an example of _____. commensalism parasitism herbivory predation mutualism - Answer️️ -mutualism An organism's "trophic level" refers to _____. where it lives the rate at which it uses energy whether it is early or late in ecological succession its food source the intensity of its competition with other species - Answer️️ -its food source Keystone species are those species _____. whose absence would cause major disruption in a community with the largest number of individuals in a community that live primarily on or under rocks and stones that provide important foods and medicines that have the most biomass in the community - Answer️️ -whose absence would cause major disruption in a community ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Tuesday, September 3, 2024 10:30 AM Page | 3 Which of the following best illustrates ecological succession? A mouse eats seeds, and an owl eats the mouse. Introduced pheasants increase, and native quail populations disappear. Overgrazing causes a nutrient loss from soil. Decomposition in soil releases nitrogen that plants can use. Grass grows on a sand dune, is replaced by shrubs, and then by trees. - Answer️️ - Grass grows on a sand dune, is replaced by shrubs, and then by trees. According to MacArthur and Wilson's hypothesis of island biogeography, species immigration and extinction rates on a particular island correl