the Mollusca phylogenetic tree below, circle the node that corresponds to the latest common ancestor of Scaphopoda and Gastropoda. Label it “A” In the same tree, circle the clade that includes Bivalvia and Cephalopoda. Label it “B”.

Biology 2e
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ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter27: Introduction To Animal Diversity
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Problem 2VCQ: Figure 27.6 Which of the following statements is false? Eumetazoans have specialized tissues and...
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In the Mollusca phylogenetic tree below, circle the node that corresponds to the latest common ancestor of Scaphopoda and Gastropoda. Label it “A” In the same tree, circle the clade that includes Bivalvia and Cephalopoda. Label it “B”.
Lophotrochozoa
MOLLUSCA
http://www.ucmp.berkeley.edu//taxa/inverts/mollusca/mollusca.php
Bivalvia
(scallops, clams, mussels, etc.)
Monoplacophora
(limpet-like "living fossils")
Gastropoda
(snails, slugs, limpets, sea hares)
Cephalopoda
(squids, octopuses, nautilus, ammonites)
Scaphopoda
(tusk shells)
Aplacophora
(spicule-covered, worm-like animals)
Polyplacophora
(chitons)
Transcribed Image Text:Lophotrochozoa MOLLUSCA http://www.ucmp.berkeley.edu//taxa/inverts/mollusca/mollusca.php Bivalvia (scallops, clams, mussels, etc.) Monoplacophora (limpet-like "living fossils") Gastropoda (snails, slugs, limpets, sea hares) Cephalopoda (squids, octopuses, nautilus, ammonites) Scaphopoda (tusk shells) Aplacophora (spicule-covered, worm-like animals) Polyplacophora (chitons)
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