Ecology exam questions for chapters 8-12
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| A flower is not ideally matched with a pollinator that visits it daily. Why might that be? | show 🗑
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| A food web is a better representation of a community than a food chain because most interactions among organisms are what? | show 🗑
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| show | when a commensal species expands another's niche space.
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| A remora feeds on the scraps that escape from a shark's mouth while feeding. It has no clear positive or negative impact on the shark. This is an example of what? | show 🗑
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| show | a realized niche
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| Adaptive radiation is often the result of what? | show 🗑
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| show | an unspecified number of
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| An invasive bullfrog consumes a Taricha newt and dies immediately. What can you say about the toxin? | show 🗑
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| show | decrease in predator abundance
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| As the population of a predator increases, the ________ | show 🗑
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| show | slows down
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| show | Flowers would become gradually more red
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| In an area with high soil nutrient availability, mycorrhizal fungi are what? | show 🗑
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| In comparison to desert habitats, urban landscapes on average have a ______ number of bird species? | show 🗑
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| In most plant-pollinator interactions, plants species are pollinated by _______ | show 🗑
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| show | are low in nutrients
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| show | from a population with no garter snakes
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| show | Species B uses more resources per individual
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| show | 500
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| The concept of the niche was initially developed by who? | show 🗑
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| The globeflower can host _______ | show 🗑
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| show | coevolution
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| The neurotoxin that Taricha spp. possess to ward off predators is what? | show 🗑
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| show | adaptive radiation
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| show | highly resistant garter snake population
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| show | realized niche
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| show | most species negatively, but a few positively
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| show | population growth of species 1 in presence of species 2
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| What is the difference between a parasite and a parasitoid? | show 🗑
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| show | Beak sizes might shift over time
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| show | natural selection favors individual plants that produce the largest seeds
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| When the relationship between two interacting species is detrimental to the populations of both species, the interaction is referred to as ____ | show 🗑
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| show | commensalism
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| show | 750
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| Which of the following interactions would be considered predation? a. - 0 b. - - c. + 0 d. + - | show 🗑
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| show | coevolution
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| show | realized
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| show | diffuse coevolution
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| The range of physical and chemical conditions under which each species can persist (survive and reproduce) and the array of essential resources it utilizes are referred to as its ecological _____ | show 🗑
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| show | mycorrhizal
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| When each of two species benefits from their interaction, the relationship is referred to as _____ | show 🗑
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| When individuals of two species interact, the nature of the interaction can be classified qualitatively as positive, negative, or ____ | show 🗑
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| show | predation
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| When one species reduces or adversely affects the population of another, but the affected species has no influence in return, the relationship is referred to as a ______ | show 🗑
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| When the interaction is detrimental to the population of both species (-,-) it is referred to as _______ | show 🗑
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| show | True
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| show | False
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| show | False
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| show | False
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| T/F: Parasitoidism is a form of mutualism. | show 🗑
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| show | True
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| show | True
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| T/F: The interaction between two species usually influences all individuals within the respective populations equally. | show 🗑
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| T/F: The relationship between nectar-producing flowers and nectar-feeding birds is a mutually beneficial interaction. | show 🗑
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| T/F: When the population size of a prey species increases, the birthrate of a predator species should also increase. | show 🗑
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