海洋动物分类
Classifying Ocean Animals
将海洋动物分为主要类群：鱼类（用鳃呼吸，有鳞片）、海洋哺乳动物（呼吸空气，温血，哺乳）和无脊椎动物（没有脊柱——水母、章鱼、螃蟹、海星）。
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)
学习证据 / Evidence
- 将海洋动物分为鱼类、海洋哺乳动物和无脊椎动物
- 说出每个类群的主要特征（鳃与肺，有脊椎与无脊椎）
- 在每个类群中至少正确分类两种动物
- 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
评估问题 / Assessment
如果{{name}}看到金枪鱼、海豹和水母的图片，能把它们分成鱼类、海洋哺乳动物和无脊椎动物，并说明每个类群的不同之处吗？
If {{name}} 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?