Analyze the evolutionary tree in figure 21.2, and then write an argument supporting or refuting this statement:
Question:
Analyze the evolutionary tree in figure 21.2, and then write an argument supporting or refuting this statement: Annelids are more closely related to flatworms than to roundworms.
Figure 21.2
Transcribed Image Text:
Deuterostomes Chordates Mouth arises Echinoderms from second Bilateria opening in embryo Ecdysozoa Arthropods Bilateral symmetry, three germ layers Periodic Roundworms Protostomes molting Eumetazoa Annelids Mouth arises from first Lophotrochozoa True Mollusks opening in embryo tissues Characteristic larvae and DNA Flatworms Radlata sequences Ancestral Multicellularity protist Cnidarians Radial symmetry. two germ layers Parazoa Sponges No tissues Prokaryotes DOMAIN EUKARYA DOMAIN EUKARYA Anlmals Kingdom Animalia DOMAIN DOMAIN Fungi ВАСТERIA ARCHAEA Plants Protista
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