BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 23, Problem 10SA
Summary Introduction
Introduction:
The mode of locomotion is essential for living organisms. The living species use various modes of locomotion. There are some types of organisms that contain a special structure called tube-feet for their locomotion.
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Bivalves, cephalopods, and gastropods are alla. arthropods.b. lophophorans.c. cnidarians.d. annelids.e. molluscs.
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Chapter 23 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 23 - An ______ develops from a two-layer embryo. a. sea...Ch. 23 - A great adaptive radiation of animals that...Ch. 23 - Prob. 3SACh. 23 - Prob. 4SACh. 23 - Prob. 5SACh. 23 - Prob. 6SACh. 23 - Prob. 7SACh. 23 - Prob. 8SACh. 23 - The ______ include the only winged invertebrates....Ch. 23 - Prob. 10SA
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- Crustaceans are _____. a. ecdysozoans b. nematodes c. arachnids d. parazoansarrow_forwardAnnelids have a ______. a. pseudocoelom b. a true coelom c. no coelom d. noneoftheabovearrow_forwardWhich of the following is NOT a characteristic of annelids? A.they have a closed circulatory system B.they reproduce through sexual reproduction C.there are both male and female earthworms D.they are able to sense vibrations in the groundarrow_forward
- Segmentation, first seen in annelids, allows evolutionary advantages bya. allowing more fluid movement for less energy expense.b. specialization of segments to carry out different functions.c. allowing coelom development.d. concentrating sensory and nervous tissues and organs in the direction of motion.arrow_forwardUnlike other coelomate animal phyla, mollusks lacka. segmentation.b. cephalization.c. three primary tissue layers.d. some type of body cavity.arrow_forwardTrochophore larvae are characteristic of (a) arthropods (b) cnidarians (c) flatworms (d) mollusks (e) crustaceansarrow_forward
- A barnacle is a shelled______ . a. arthropod c. cephalopod b. gastropod d. crustaceanarrow_forwardFlatworms, annelids, and roundworms are all______ . a. arthropods c. protostomes b. aceolomate d. radially symmetricalarrow_forwardThe closest living relatives of hagfishes are_____ . a. snakes c. lampreys b. sharks d. placodermsarrow_forward
- Among living animals, only birds have ________. a. a cloaca c. feathers b. a four-chambered heart d. amniote eggsarrow_forwardTrochophore larvae are characteristic of (a) arthropods (b) cnidarians (c) flatworms (d) mollusks (e) crustaceansarrow_forwardAn ______ develops from a two-layer embryo. a. sea star c. butterfly b. sea anemone d. earthwormarrow_forward
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