ScienceOcean LifeAges 7–9
Classifying Ocean Animals
Classify ocean animals into major groups: fish (breathe through gills, have scales), marine mammals (breathe air, warm-blooded, feed milk), and invertebrates (no backbone — jellyfish, octopuses, crabs, starfish)
Learning resources
Reviewed external links that reinforce this concept. They do not replace Gakuva’s teaching approach.
No reviewed resources for this concept yet.
The teaching approach above still stands. Curated practice links will appear here as the shelf fills.
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This concept
Classifying Ocean AnimalsConceptual concept
Check understanding
- Sort ocean animals into fish, marine mammals, and invertebrates
- Give defining features of each group (gills vs lungs, backbone vs none)
- Correctly classify at least two animals in each group
“If your child saw pictures of a tuna, a seal, and a jellyfish, could they sort them into fish, marine mammals, and invertebrates, and explain what makes each group different?”
Curriculum record
- Type
- Conceptual
- Subject
- Science
- Domain
- Ocean Life
- Age range
- Ages 7–9