• Topic 9 Keystone Practice Review

    The questions in this review refer to topic 9: Ecology

      1. Where would a producer be found on a food chain?

        the top

        the bottom

        the middle

        they would not be found on one


      1. With an energy pyramid, how does the energy change as you go up the pyramid?

        it decreases by 90% each level

        it decreases by different amounts each level

        it increases by 90% each level

        it increases by different amounts each level


      1. Which of the following would NOT be an abiotic factor?

        amount of sunlight

        soil bacteria

        wind

        temperature


      1. A fox chases, attacks, and killls a rabbit. What type of relationship would this be?

        competition

        predation

        symbiosis

        parasitism


      1. Two foxes try to kill the same rabbit. What type of relationship would this be?

        competition

        predation

        symbiosis

        parasitism


      1. The difference between environmental science and ecology is that environmental science includes _____, while ecology does not

        bacteria

        plants

        animals

        people


      1. All of the different species of microscopic organisms living in and on your body would be called a(n)

        community

        ecosystem

        species

        population


      1. Anything that would decrease the growth, existance, or distribution of one organism or a whole population would be called a(n)

        eutrophic event

        pollutant

        stunting nutrient

        limiting factor


      1. A species that belongs to an ecosystem is called _____, while a species that does not belong to an ecosystem is called _____.

        threatened; endangered

        endangered; endemic

        endemic; non-native

        non-native; endemic


      1. A forest burns down after a lightning storm. The slow, gradual process of replacing the forest with different types of plants would be called

        evolution

        succession

        development

        a tragedy