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Type: Multiple-Choice
Category: Biotic and Abiotic
Level: Grade 9
Score: 1
Author: spont_24
Last Modified: 22 days ago

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Biotic and Abiotic Question

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Grade 9 Biotic and Abiotic

Which of these phrases describes the biotic factors of an ecosystem?
  1. two dissimilar organisms living together, as in mutualism, commensalism, amensalism, or parasitism
  2. any living part of an environment
  3. the number of individual organisms in each trophic level of an ecosystem
  4. an organism that eats only meat
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