Copyright © by Holt, Rinehart and Winston. All rights reserved. 10. Name Cause and Effect and Cause 9. 8. 7. 6. “Work-Alikes” food for humans for food be can snails land setae with parapodia T ______rade-offs Mollusks and Annelids and Mollusks CR In the space provided, write the letter of the the of letter the write provided, space the In matches best that phrase or term the of letter the Cause write provided, space the In describes best that phrase or term the of letter the write provided, space the In each numbered numbered each each each item numbered each how 14. 13. 12. 11. 5. 4. 3. 2. 1. ITICAL TH ITICAL trochophore larva trochophore earthworms of activity tunneling radula gastropod foot gastropod by movement nephridia Most leeches are small. are leeches Most shell. internal an have cuttlefish and Squids muscles. adductor using by quickly move can bivalves Some touch. and light to respond that cells sensory have bivalves Some cause “Good News” “Good or or INKIN effect good news good G REVIEW G ______damage to gardens to damage propulsion jet organs internal and gut of development enabled given below. given functions. item below. item Effect d. c. b. a. bad news bad Some suck blood from mammals. from blood suck Some head. a lack Bivalves sessile. are Most shell. outer an lack cephalopods Most filters e. d. c. b. a. e. d. c. b. a. soil aerator soil water-slidetoy swimmer distance waste scraper ice windshield crawling or burrowing, swimming, quickly closes cephalopod of cavity mantle mollusks in coelom of evolution Helix genus the of members snails and slugs terrestrial “Bad News” “Bad item that best matches best that item raised on farms on raised 21. 20. 19. 18. 17. 16. 15. Analogies Linkages longitudinal muscles longitudinal annelid of contraction crop nacre of layers material organic mantle Bivalvia ancestry common “as.” In the space provided, write the letter of the pair of terms or phrases that phrases or terms of pair the of letter the write provided, space the In “as.” placed in any order. Some choices may be used more than once. than more used be may choices Some order. any in placed best completes the analogy shown. analogy the completes best An analogy is a relationship between two pairs of terms or phrases written as written phrases or terms of pairs two between relationship a d. : c :: is b : a analogy An are that phrases or terms two the of letters the write provided, spaces the In linked together by the the by together linked 26. 25. 24. 23. 22. b. a. :: eyes and head : earthworms a. :: annelid : blood a. :: fingers long : tentacles mollusk a. :: siphon : feeding bivalve a. :: mollusks : larva trochophore b. b. b. d. c. b. mollusks segments between connections : annelids intestine earthworm : sperm compartments : septa annelid gastropod annelids : mass visceral soil : earthworm pharynx earthworm : soil scrapers : mouths annelid annelids : larva trochophore most cephalopods : external shells external : cephalopods most feet : mollusks gastropod feeding : tentacle : feeding gastropod The symbol : is read as “is to,” and the symbol :: is read as read is :: symbol the and to,” “is as read is : symbol The : visceral masses visceral : feeding : radula : feeding term or phrase in the middle. the in phrase or term a. n. m. l. k. j. i. h. g. f. e. d. c. b. Gastropoda movement larva trochophore annelid pearl mouth bivalve’s to food direct cilia foot Cephalopoda bivalve the of gills sticky over moves water esophagus to pharynx earthworm from soil gizzard muscles circular annelid of contraction mass visceral sand of grain larva trochophore mollusk c. c. c. d. d. d. c. d. blood : earthworm pharynx earthworm : blood bristles : parapodia annelid annelids : plan body three-part food : earthworm crop earthworm : food eggs : setae annelid annelids : system valve gastropod feeding : beak : feeding gastropod cephalopod breathing : siphon : breathing cephalopod The choices can be can choices The

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