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Chapter 15 Quiz Review Multiple Choice Identify the choice that best completes the statement or answers the question. ____ ____ ____ ____ 1. What do sponges use to get food? a. tentacles b. pores and collar cells c. an osculum d. antennae 2. Which body plan does a flatworm have? a. asymmetry b. radial symmetry c. bilateral symmetry d. segmented symmetry 3. What is the body of a roundworm like? a. long, slim, and round b. fat and thick c. spongelike d. tentacled 4. Which of these is a trait of all cnidarians? a. stinging cells b. ocean dwelling c. regeneration d. hard skeletons ____ 5. What kind of circulatory system do most mollusks have? a. radial c. open b. closed d. segmented ____ 6. What kind of circulatory system do squids have? a. radial c. open b. closed d. segmented ____ 7. What do the bodies of all annelid worms have in common? a. They are segmented. c. They are flat. b. They are round. d. They have radial symmetry. ____ 8. From what characteristic do arthropods take their name? a. complex nervous system c. specialized parts b. jointed limbs d. exoskeleton ____ 9. What supports an arthropod and helps it to move? a. muscles c. antennae b. nerves d. an exoskeleton ____ 10. Which of these animals do not have mandibles? a. centipedes c. wasps b. spiders d. butterflies ____ 11. Which is the largest group of arthropods? a. crustaceans b. arachnids c. mollusks d. insects ____ 12. What do crustaceans use for eating? a. mandibles b. eyestalks c. gills d. chelicerae ____ 13. What is an endoskeleton? a. flexible skeleton b. external skeleton c. internal skeleton d. spiny skeleton ____ 14. What symmetry do adult echinoderms have? a. asymmetry b. radial c. bilateral d. segmented ____ 15. What is a water vascular system? a. series of canals filled with fluid b. open circulatory system c. closed circulatory system d. nerve ring ____ 16. What kind of echinoderms have long, slim arms? a. brittle stars and basket stars c. sea lilies and feather stars b. sea urchins and sand dollars d. sea cucumber ____ 17. What kind of echinoderms may have hundreds of arms? a. sea cucumbers c. sea urchins and sand dollars b. sea stars d. sea lilies and feather stars ____ 18. What makes sea cucumbers unique from other echinoderms? a. their feet c. their wormlike shape b. their arms d. their spines ____ 19. What kind of echinoderms have a shell-like endoskeleton? a. sea cucumbers c. brittle stars and basket stars b. sea stars d. sea urchins and sand dollars ____ 20. What controls the movement of a sea star’s arms? a. radial nerves c. spines b. tube feet d. sieve plate ____ 21. What kind of circulatory system pumps blood into sinuses? a. open circulatory system c. closed circulatory system b. water vascular system d. open vascular system ____ 22. What is the spiny part of an echinoderm? a. chelicerae b. mandibles c. skeleton d. skin ____ 23. What is an endoskeleton? a. internal skeleton b. external skeleton c. group of sharp spines d. shell ____ 24. Which kind of animal changes its symmetry as it becomes an adult? a. flatworm c. annelid worm b. echinoderm d. arthropod ____ 25. When the two sides of an animal’s body mirror each other, it is called a. radial symmetry. c. asymmetry. b. bilateral symmetry. d. segmented. ____ 26. What is an exoskeleton? a. hard external structure c. extra-strong skeleton b. loose frame d. brittle shell ____ 27. Which of these can be a parasite? a. earthworm b. fluke c. sea cucumber d. arachnid ____ 28. The word arthropod means a. “large brain.” b. “jointed foot.” c. “spiny skin.” d. “paralyzing toxin.” ____ 29. Why are marine worms called polychaetes? a. They live in the ocean. b. They have many segments. c. They have many legs. d. They have many bristles. ____ 30. What does the word invertebrate mean? a. an animal that has no backbone b. an animal that is a parasite c. an animal that has no head d. an animal that has no skeleton ____ 31. What do parasites feed on? a. material in soil b. dead animals c. living animals d. each other ____ 32. Which of these is a bundle of nerve cells? a. gut b. tube foot c. ganglion d. eye ____ 33. What do jellyfish and coral both have? a. tube feet b. skeletons c. stinging cells d. wings ____ 34. What do mollusks use to move? a. bristles b. mantle c. a foot d. gills ____ 35. What protects mollusks that don’t have shells? a. mantle c. gills b. sinuses d. visceral mass ____ 36. What do bristles help an earthworm to do? a. feed b. sleep c. move d. stay clean ____ 37. What helps a sea star to move, eat, and breathe? a. simple nervous system c. endoskeleton b. water vascular system d. closed circulatory system ____ 38. What kind of skeleton is like a suit of armor? a. shell b. endoskeleton c. spiny skeleton d. exoskeleton ____ 39. What is a mandible? a. claw b. foot c. mouthpart d. nerve cell ____ 40. Which kind of metamorphosis is less complicated? a. reproduction b. incomplete metamorphosis c. regeneration d. complete metamorphosis Completion Complete each statement. Use the terms from the following list to complete the sentences below. cephalothorax eyes bristles gastropods cephalopods sensory lobes nerves metamorphosis 41. A spider’s two main body parts consist of an abdomen and a(n) ____________________. 42. A phase in the life of many insects, ____________________ is a rapid change from an immature form to an adult form. 43. The class of mollusks that use a radula is known as the ____________________. 44. The bumps on a flatworm’s head that help it to find food are its ____________________. 45. Thought to be among the smartest invertebrates, ____________________ have large brains. 46. All animals except sponges have special tissues known as ____________________ to help sense their environment. Use the terms from the following list to complete the sentences below. bilateral symmetry radial symmetry asymmetrical regeneration 47. The process of regrowing a missing part is called ____________________. 48. The kind of symmetry that goes around a center is called ____________________. 49. The kind of symmetry where two sides mirror each other is called ____________________. 50. An animal that has no symmetry is ____________________. Matching Match each item with the correct statement. a. sponges b. mollusks c. cnidarians d. earthworms ____ 51. the simplest invertebrates ____ 52. planarians, flukes and leeches e. f. g. h. flatworms arachnids grasshoppers arthropods ____ 53. gastropods, bivalves, and cephalopods ____ 54. all have jointed limbs ____ 55. all have chelicerae and a cephalothorax ____ 56. develop through incomplete metamorphosis Match each item with the correct statement. a. arachnid b. cnidarian c. sponge d. insect ____ 57. animal that has three main body parts, six legs, and one pair of antennae ____ 58. animal that has a cephalothorax and an abdomen ____ 59. animal that has stinging cells ____ 60. animal that is very simple Chapter 15 Quiz Review Answer Section MULTIPLE CHOICE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. B C A A C B A B D B D A C B A A D C D A A C A B B A B B D A C C C C A C B D C B COMPLETION 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. cephalothorax metamorphosis gastropods sensory lobes cephalopods nerves regeneration radial symmetry bilateral symmetry asymmetrical MATCHING 51. 52. 53. 54. 55. 56. A E B H F G 57. 58. 59. 60. D A B C