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Unit Plan

Ck 12: Life Science: Fish

Curated by ACT

[Free Registration/Login may be required to access all resource tools.] What exactly is a fish? You probably think the answer is obvious. You may say that a fish is an animal that swims in the ocean or a lake, using fins. But not all fish spend all their time in water. So how do scientists define fish? Learn more about fish in this learning module produced by CK-12.

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Concepts
gills, fish
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Additional Tags
characteristics of fish, ectothermic, fish reproduction, fish size, importance of fish, lung fish, unusual fish, ck 12, ck-12, ck12
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Classroom Considerations
  • Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)