Most chordates are easy to identify because of the specific classification criteria of their phylum. But what about tunicates? Young scientists read a short explanation about why tunicates, or sea squirts, are considered to be members of Phylum Chordata before answering two comprehension questions.

Additional Tags

dorsal nerve chord, notochord, tunicates, science

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Instructional Ideas

• Assign for homework before learners return to class for a discussion the next day
• Have class members write a short argument paragraph about whether or not they agree with the classification of tunicates

Pros

• A good companion to a lesson on animal classification

Cons

• None