Scientists use different types of models to analyze the structure of ecosystems. Which characteristic is seen in a biomass pyramid, but not in a numbers pyramid?
Energy flow in an ecosystem is best represented by _______.a.the predator/prey relationshipb.food chainsc.food websd.autotrophs
A quaternary consumer species would be expected to have a smaller population than a secondary consumer species.
All animals are _______.a.producersb.omnivoresc.herbivoresd.consumers
Which of the following is an autotroph?a.mushroomb.treec.deerd.wolf
Which of the following has the most biomass?a.quaternary consumersb.secondary consumersc.primary consumersd.producers
If a predator is eliminated from an ecosystem its prey’s population will likely _______.a.increaseb.decreasec.stay the samed.change, but the direction cannot be predicted
Which of the following would not reduce the carrying capacity of an ecosystem for a particular prey species?a.droughtb.fewer primary producersc.habitat destructiond.fewer predators
Which best describes the trophic level of an organism?
In a trophic pyramid, which of the following populations would be found in the trophic level directly above the producers? a. hawks b. rabbits c. snakes d. trees Please select the best answer from the choices provided
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