Trophic Levels and Food Webs

Question 1

Which organism gathers its energy directly from the sun?

Revolt · Accepted Answer

a rose plant

Question 2

The initial period of population growth for a species in an environment is _______.

Revolt · Accepted Answer

exponential

Question 3

Which of the following has the most biomass?

Revolt · Accepted Answer

producers

Question 4

Which best describes the trophic level of an organism?

Revolt · Accepted Answer

its position in a food chain

Question 5

In a trophic pyramid, which of the following populations would be found in the trophic level directly above the producers?

Revolt · Accepted Answer

rabbits

Question 6

The elimination of a predator has no negative impacts on that predator’s prey species.

Revolt · Accepted Answer

F

Question 7

Which shows the correct order of increasing trophic level, from producer to tertiary consumer?

Revolt · Accepted Answer

grass, deer, wolf, fungi

Question 8

Organisms produce their own energy or provide energy for other organisms in a food chain. Yellowfin tuna, or Thunnus albacores, are large sport fish found in tropical and subtropical waters around the world. They typically school under objects such as boats or patches of driftwood for protection from predators. Schooling under these structures also provides yellowfin tuna with easy access to smaller fish that may be foraging for food. Photo by NOAA Which trophic level does yellowfin tuna fill in a food chain?

Revolt · Accepted Answer

secondary consumer

Question 9

Producers are always the highest level in trophic pyramids. Please select the best answer from the choices provided

Revolt · Accepted Answer

F

Question 10

Which is not an advantage of using the Pyramid of Energy?

Revolt · Accepted Answer

Assigning the decomposers and detritivores to a particular trophic level.

Trophic Levels and Food Webs Answers

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