Trophic Levels and Food Webs Answers

All animals are _______.a.producersb.omnivoresc.herbivoresd.consumers

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.

It is advantageous for a predator to prey exclusively on a single prey species.

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

Which best describes the trophic level of an organism?

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

Organisms produce their own energy or provide energy for other organisms in a food chain. Many different organisms can be found in the Amazon rainforest in South America. Organisms in this biome include a variety of trees, plants, insects, fish, birds, reptiles, and mammals. The jaguar and anaconda are among the largest predators found in the Amazon. Photo by Trisha M. Shears Photo by US Fish and Wildlife Service Which trophic level do anacondas and jaguars fill in the Amazon rainforest?

Less than 0.1% of the energy in a food chain generally makes it from the sun to quaternary consumers.