PARTI Match the structure/characteristic with the correct taxonomic group. There

Question

PARTI Match the structure/characteristic with the correct taxonomic group. There may be more than one correct choice, (2 pts) Column Column B asteroidea bryozoa echinoidea crustacea ophiuroidea holothuroidea a. aristotle's lantern b. water vascular system c. lophophore d. choanocytes e. ampullae f. bursae g. jointed appendages 2. 3. 6. respiratory trees Part II. Multiple choice. Choose the letter of the single, best answer. (2 pts) -6, which of the following are not lophophorte animals? a. Bryozoans; b. Phoronids; c. Brachiopods; d. Ophiuroideans. 7. Crabs and shrimp belong to the Class: a. Insecta; b. Arachnida; c. Crustacea; d. Gastropoda. 8, Trilobites are members of which phylum? a. Mollusca; b. Arthropoda; c. Echinodermata; d. Annelida. 9. The endoskeleton of echinoderms is composed of: a. bone; b. cartilage; c. plates of calcium carbonate; d. spicules; e.chitin. 10. Which is NOT important in the movement of the seastars? a. ampullae; b. tube feet; c. skin gills; e. radial canal. 11. Which of the following is not true about Asteroidea and Echinoidea: a) Both have a water vascular system; b) Both develop from bilateral larvae; c)Both have arms radiating from a central disk; d) both are herbivores.

Explanation / Answer

1. Asteroidea: b. Water vascular system

e. Ampullae

2. Bryozoa: c. Iophophore.

3. Echinoidea: a. Aristotle's lantern.

c. Water vascular system.

4. Crustacea: g. Jointed appendages

5. Ophiuroidea: f bursae

6. Holothuroidea: h. Respiratory trees.

Part II

6 -----> a) Bryozoans

7 ------> c) Ccrustacea

8 ------> b) Arthropods

9 ------> c) plates of calcium carbonate

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