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True or false: ecosystems

Exercise and reference answers

Questions
  1. Statement is true
    Yes
    Statement
    A trophic level is a step in a food chain.
  2. Statement is true
    No
    Statement
    Secondary consumers eat primary producers directly.
  3. Statement is true
    Yes
    Statement
    Net productivity subtracts the producers' own use.
  4. Statement is true
    No
    Statement
    Detrital food webs start with photosynthesis.
  5. Statement is true
    Yes
    Statement
    Carbon is the second most abundant element in life.
Instructions
Tap True or False for each statement.

Explanation

_Source: OpenStax Biology 2e (CC BY 4.0), Ch 46 'Ecosystems', sections 46.1-46.3_
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