* Deuterostomes are a major lineage of animals defined by their embryonic development.
* Key Feature: In deuterostomes, the anus forms first during embryonic development, followed by the mouth.
Examples of deuterostomes include:
* Echinoderms: Starfish, sea urchins, sea cucumbers
* Chordates: Vertebrates (fish, amphibians, reptiles, birds, mammals), tunicates, cephalochordates (lancelets)
So, the answer to your question depends on the options you're given. If you have a list of animals, look for any of these types.