The phylogenetic tree indicates that flatworms are similar to cnidarians in that both ________. exhibit bilateral symmetry are chordates have true tissues exhibit radial symmetry
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Porifera ANCESTRAL PROTIST Ctenophora Cnidaria 770 million years ago Acoela Hemichordata 680 million years ago Echinodermata Chordata Platyhelminthes 670 million years ago Syndermata Ectoprocta Brachiopoda Mollusca Annelida Nematoda Arthropoda Which of the following characteristics defines a structural distinction between Chordata and Brachiopoda? a. Both groups have tissues. b. Brachiopoda have a lophophore and Chordata do not. c. Both groups exhibit bilateral symmetry. d. Both groups shed their external skeletons.
Sri K.
Use the figure to answer the question. Porifera ANCESTRAL PROTIST Ctenophora Cnidaria 770 million years ago Acoela Hemichordata 680 million years ago Echinodermata Chordata Platyhelminthes 670 million years ago Syndermata Ectoprocta Brachiopoda Mollusca Annelida Nematoda Arthropoda Which of the following characteristics defines a structural distinction between Chordata and Brachiopoda? Brachiopoda have a lophophore and Chordata do not. Both groups exhibit bilateral symmetry. Both groups shed their external skeletons. Both groups have tissues. Submit Request Answer
Madhur L.
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