Classifying Ocean Animals

CONCEPTUAL

Science›Ocean Life|Ages 7—9|ID: mt__aHSZTm5k5

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)

Mastery Evidence

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

Assessment Prompt

“If [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?”

Prerequisites2

Whales & Dolphins Are Mammals
hardAges 5—7
Ocean Animal Variety
hardAges 5—7

Show full prerequisite tree

Whales & Dolphins Are Mammals hard
Classifying marine mammals vs fish builds on whale/dolphin are mammals concept
- Ocean Animal Variety soft
  Mammals vs fish distinction benefits from knowing ocean animal variety
Ocean Animal Variety hard
Classifying ocean animals builds on knowing the variety exists

Unlocks2

Grouping Living Things
softAges 8—9
Ocean Food Webs
softAges 7—9