3. Trophic Levels

By the end of this section you should be able to:

Convert descriptions of organisms within an ecosystem to construct a food web.

Essential Vocabulary

autotrophproducerheterotrophconsumerherbivorecarnivoredecomposerfood web

2. Use information about feeding relationships in an ecosystem to construct an energy pyramid, a biomass pyramid, or a pyramid of numbers.

Essential Vocabulary

trophic levelbiomassbiomass pyramidenergy pyramidpyramid of numbers10% Rule

3. Describe the forms of energy and types of energy transfers that occur within an ecosystem.

Essential Vocabulary

photosynthesiscellular respirationmetabolism

4. Compare and contrast how energy and matter move through ecosystems.

Essential Vocabulary

10% Rulenutrient cycling

Vocabulary Review

These are 2 practice vocabulary quizzes to help you review the vocabulary for this section. Each quiz has 10 questions. You need to scroll to see all of the questions and select the "submit" button to complete the quiz and get a score

Trophic Levels

There are 8 questions on this Content Quiz. You need to scroll to see all of the questions and select the "submit" button to complete the quiz and get a score.

This is a skills quiz to help you review and apply science practices to the content from this module. There are 4 questions. You need to scroll to see all of the questions and select the "submit" button to complete the quiz and get a score.

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