Which of the following most accurately reflects current understanding of phylogenetic relationships in the clade, Ecdysozoa? O Insects are more closely related to barnacles than to scorpions. Nematode worms are more closely related to annelid worms than to millipedes and centipedes. Decapods and myriapods are each other's closest relatives. Pancrustacea includes beetles, crabs, and horseshoe crabs.

Which of the following most accurately reflects current understanding of phylogenetic relationships in the clade, Ecdysozoa? O Insects are more closely related to barnacles than to scorpions. Nematode worms are more closely related to annelid worms than to millipedes and centipedes. Decapods and myriapods are each other's closest relatives. Pancrustacea includes beetles, crabs, and horseshoe crabs.

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter15: Diversity Of Animals

Section: Chapter Questions

Problem 1ACQ: Figure 15.3 Which of the following statements is false? a. Eumetazoa have specialized tissues and...

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Which of the following combinations correctly matches a phylum to its description? O Nematoda-segmented worms, closed circulatory system O Cnidaria-flatworms, gastrovascular cavity, acoelomate O Echinodermata-bilateral symmetry as a larva, water vascular system O Artropoda-tagmatism, jointed legs with hardened endoskeleton O Platyhelminthes-radial symmetry, polyp and medusa body forms
Which of the following combinations correctly matches a phylum to its description? O Nematoda-segmented worms, closed circulatory system O Cnidaria-flatworms, gastrovascular cavity, acoelomate O Echinodermata-bilateral symmetry as a larva, water vascular system O Artropoda-tagmatism, jointed legs with hardened endoskeleton O Platyhelminthes-radial symmetry, polyp and medusa body forms « Previous Next » Not saved Submit Quiz 75°F Sun earch F9 F10 F11 F12 F3 F4 F5 F6 F7 F8 F2 %23 4 6. W Y S G H. J K L * CO IN 近

Four of the five answers listed below are characteristics of cnidarians. Select the exception. O ciliated larvae O polyp form O jellylike matrix O nematocyst O pharynx
compare cnidarians to sponges and to the clade containing flatworms, mollusks, and annelids. What features are similar among these groups? What features are different?
Which of the following is NOT a part of the medusa form of cnidarian? Answers: Gastrodermis Tentacle Mesoglea Body stalk These are all parts of the medusa form of cnidarians.
Figure 27.6 Which of the following statements is false? Eumetazoans have specialized tissues and parazoans don’t. Lophotrochozoa and Ecdysozoa are both Bilataria. Acoela and Cnidaria both possess radial symmetry. Arthropods are more closely related to nematodes than they are to annelids.
Which phylum includes animals that have a water vascular system? a. Echinodermata b. Hemichordata c. Chordata d. Tetrapoda e. Amniota
Which of the following is not a member of the phylum Chordata? a. Cephalochordata b. Echinodermata c. Urochordata d. Vertebrata
Figure 15.3 Which of the following statements is false? a. Eumetazoa have specialized tissues and Parazoa do not. b. Both acoelomates and pseudocoelomates have a body cavity. c. Chordates are more closely related to echinoderms than to rotifers according to the figure. d. Some animals have radial symmetry, and some animals have bilateral symmetry.
Members of Chondrichfhyes are thought to be descended from fishes that had. a cartilaginous skeleton a bony skeleton mucus glands slime glands
CE Which of the following is a synapomorphy of the Anthozoa? Exoskeletons of calcium carbonate O Corals and sea anemones Absence of medusa stage Presence of planula larva stage Presence of cnidac
Aside from ecdysis, describe two (2) common characteristics shared by the different smaller phylum under Ecdysozoa: Kinorhyncha, Priapulida, Nematomorpha. Elaborate each characteristic.