What type of symmetry do larval vs. adult echinoderms have?

At one time, birds held the same taxonomic rank as Reptilia and Mammalia. Now, however, they are considered as part of the reptile clade. Without this change, ________.

Slide 9: What is the best title for this slide?

You are a chordate, yet you lack most of the main derived characters of chordates. Explain

Slide #1: Which of the following terms would be the best title for this slide?

Slide 14: Which of the three regions indicated on the image are part of the water vascular system?

Slide 11: Match each term with the correct region of the image

Describe how the water vascular system works and what it is used for.

Don’t forget to submit your revised evolution story to last week’s evolution story discussion.

Slide 4: What would be the best title for this slide?