Which of the following animals is classified under phylum Chordata? (2019)

Which of the following animals is classified under phylum Chordata? (2019)

Step 1: Understand what a phylum is. A phylum is a way to group animals based on shared characteristics.
Step 2: Learn about phylum Chordata. This phylum includes animals that have a notochord, which is a flexible rod that supports the body.
Step 3: Identify the key feature of Chordata. All animals in this phylum have a notochord at some point in their life cycle.
Step 4: Look for examples of animals in Chordata. Common examples include sharks, fish, birds, mammals, and reptiles.
Step 5: Check the list of animals given in the question to see if any of them have a notochord.

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