of the following, write on the blank line the letter of the word or phrase that
ID: 132055 • Letter: O
Question
of the following, write on the blank line the letter of the word or phrase that best the statement or answers the question Fo r each Cnidarian tentacles have stinging cells called (A) nemastocysts. (B) nerve nets (C) cnidocytes. (D) gastrovascular caviies Free-living flatworms feed on dead or slow-moving organisms by using an organ 25. 26 called the (A) ganglion. (B) pharynx. (C) flame cell. D) proglottid. 27.Tapeworms attach to a host's intestine by means of a (A) scolex. (B) proglottid. C) auricle. (D) ganglion. A mollusk has all of the following except (A) a muscular foot. (B) a mantle. (C) bilateral symmetry. (D) a scolex 28, 29.Quick behavior is characteristic of which form of mollusks? (B) bivalves (A) gastropods (C) cephalopods (D) none of these 30. Earthworms take in food and soil through the mouth, and then before it is sent to the intestine, it is ground up in the (A) pharynx. (B) gizzard. (C) crop. (D) setae. Leeches are examples of (A) segmented worms. (B) roundworms. (C) flatworms. (D) mollusks The middle body region of an arthropod is the (A) head. (B) cephalothorax. C) thorax. D) abdomen. 31. 32. 33, order to grow, arthropods get rid of their exoskeletons periodically in a process called (A) shedding. (B) molting. (C) melting. 34. (D) growing. terrestrial arthropods carry oxygen to cells by means of CA) gills. (B) book lungs. (C) spiracles. (D) tracheal tubes. continuedExplanation / Answer
25: (a), 26: (b), 27: (a),28: (d), 29: (), 30:(b), 31: (a), 32:(c), 33:(b),33:(d)
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