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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

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Chapter
Section
BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 24, Problem 12SQ
Textbook Problem
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_______ include the only winged invertebrates.

  1. a. Cnidarians
  2. b. Echinoderms
  3. c. Insects
  4. d. Crustaceans

Summary Introduction

Concept introduction: Invertebrates are animals that lack notochord. The arthropods include several animals that are aquatic, terrestrial and volant. The arthropods are the largest phylum that makes up 84% of the total population of animals on earth. Arthropods are animals with jointed appendages and have strong exoskeleton made of chitin.

Explanation of Solution

Reason for correct answer:

The arthropods include animals that can swim, crawl and fly. The insects are the only arthropods that can fly (Volant adaptation). The insect species (that are arthropods) alone outnumbers most of the animal population. The scientists have estimated that there are approximately 5.5 million insect species.

Option c. is given as “insects”.

As insects are flying arthropods that are invertebrates, the correct answer is option c.

Reason for incorrect answer:

Option a...

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