It is advantageous for a predator to prey exclusively on a single prey species.
Less than 0.1% of the energy in a food chain generally makes it from the sun to quaternary consumers.
The initial period of population growth for a species in an environment is _______. a. linear b. exponential c. slow d. negative Please select the best answer from the choices provided
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?
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
A quaternary consumer species would be expected to have a smaller population than a secondary consumer species.
Which class of organisms gather their energy directly from the sun?a.autotrophsb.carnivoresc.herbivoresd.detritivores
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 is not an advantage of using the Pyramid of Energy?a.It takes into account the rate of production over a period of time.b.Assigning the decomposers and detritivores to a particular trophic level.c.There are no inverted pyramids.d.The input of solar energy can be added.
The main producers in aquatic environments are _______.a.phytoplanktonb.zooplanktonc.kelpd.fish
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