CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Textbook Question
Chapter 18, Problem 6TYK
Which of the following animal groups does not have tissues derived from mesoderm?
a. annelids
b. echinoderms
c. cnidarians
d.
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Chapter 18 Solutions
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
Ch. 18 - Prob. 1CCCh. 18 - Identify the pattern of embryonic development...Ch. 18 - Bilateral symmetry in animals is best correlated...Ch. 18 - Jon found an organism in a pond, and he thinks its...Ch. 18 - Which of the following groupings includes the...Ch. 18 - Which of the following animal groups does not have...Ch. 18 - Prob. 7TYKCh. 18 - Prob. 8TYKCh. 18 - Prob. 9TYKCh. 18 - Prob. 10TYK
Ch. 18 - The simplest animal group a. annelids b. nematodes...Ch. 18 - Prob. 12TYKCh. 18 - Largest phylum of all a. annelids b. nematodes c....Ch. 18 - Closest relatives of chordates a. annelids b....Ch. 18 - Prob. 15TYKCh. 18 - Prob. 16TYKCh. 18 - Prob. 17TYKCh. 18 - Name two phyla of animals that are radially...Ch. 18 - One of the key characteristics of arthropods is...Ch. 18 - A marine biologist has dredged up an unknown...Ch. 18 - SCIENTIFIC THINKING In one of the experiments...
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- Which group of invertebrates is most closely related to vertebrates? a. cephalochordates b. echinoderms c. arthropods d. urochordatesarrow_forwardWhich of the following groups includes all of the others? a. Protostomes c. Eumetazoans b. Echinoderms d. Ecdysozoansarrow_forwardImagine an animal's body has a space where organs like kidneys and liver are located. If this space is surrounded by mesoderm, it is a/n ___ A. pseudocoelom B. archenteron C. coelom D. visceraarrow_forward
- Flatworms can reach a maximum size of around 40cm. Whilst this is big for a worm, there are certainly larger animals on earth. What might it be that restricts the flatworms body size? A. They have an exoskeleton that restricts their growth. B. They do not have a circulatory system. C. They are exothermic animals that have limited energy for growth. D. They are acoelomates and so the growth of their internal organs is restricted by growth of the outer body wall.arrow_forwardIn your garden you find a segmented animal with jointed legs. It has a distinct head capsule but the body segments are all quite similar. You cut it open and find mature gonads and a tracheal system. The animal is ... A. a spider B. a woodlouse (isopod) C. an insect D. a myriapodarrow_forwardWhat characteristic is common to the flatworms, molluscs, and annelids? a. All have bilateral symmetry. b. All are acoelomates. c. All are parazoans.d. All are vertebrates.arrow_forward
- Which of the following statements about bilaterian animals is false? A. Many bilaterians are invertebrates but some are not. B. All bilaterians are triploblastic (have three germ layers). C. All bilaterians have bilateral symmetry. D. Most bilaterians have tissues but some do not.arrow_forwardWhich of the following has a complete digestive system? a. tapeworms c. cnidarians b. sponges d. earthwormsarrow_forwardWhich of the following is most closely related to lobsters and what characteristics are significant in determining this relationship? a. Bivalves b. Centipedes c. Earthworms d. Nematodesarrow_forward
- Sexual reproduction in cnidarians may be carried out by which body form? A. Medusa only B. Neither medusa nor polyp C. Medusa or polyp D. Polyp onlyarrow_forwardA member of the protostome group of animals a. has no symmetry. b. has an anus derived from the blastopore. c. has a mouth derived from the blastopore. d. has a mouth derived from the primitive groove.arrow_forwardWhile studying the embryonic development of an organism, you determine that the blastopore of the developing gastrula has developed into a mouth. Based on the Animalia tree discussed in class, which one of the following phyla could this NOT be? A. Chordata B. Mollusca C. Porifera D. Annelida E. Arthropodaarrow_forward
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