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Exercise and reference answers

Questions
  1. Answer
    2
    Question
    Ways living things acquire energy, making or eating
  2. Answer
    2
    Question
    Parameters used to measure ecosystem change
  3. Answer
    200
    Question
    Metres deep the photic zone reaches, roughly
  4. Answer
    1
    Question
    Paths through a single food chain
  5. Answer
    2
    Question
    Trophic level of a herbivore counting producers as one
  6. Answer
    6
    Question
    Land biomes listed as examples
Instructions
Type the number only.

Explanation

_Source: OpenStax Concepts of Biology, Chapter 20, Ecosystems and the Biosphere._
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