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Reading Quiz

This activity contains 24 questions.

Question 1
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The Hobbit people, along with over one million species of animals that have been named and described by biologists, arose __________.
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Question 2
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All animals can trace their lineage to a common ancestor that lived in the _____.
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Question 3
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How are animals different from fungi?
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Question 4
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The _____ explosion occurred approximately 545 million years ago.
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Question 5
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One body plan, called bilateral symmetry, represents a major branch point in animal evolution and can be described as __________.
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Question 6
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Which of the following is an invertebrate?
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Question 7
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A characteristic of cnidarians is __________.
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Question 8
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Members of the phylum Mollusca __________.
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Question 9
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Which phylum includes the simplest animals with bilateral symmetry?
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Question 10
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Annelids, such as the leeches, __________, a characteristic shared by all other bilateral animals except flatworms.
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Question 11
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Which of the following are called nematodes?
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Question 12
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While on a biological expedition, you discover a new species with the following characteristics: has an exoskeleton, exhibits bilateral symmetry, and has jointed appendages. What phylum does this newly discovered organism belong to?
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Question 13
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Sea stars and sand dollars belong to a group of spiny marine animals called _____.
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Question 14
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Which phylum includes animals that have the following characteristics: a dorsal, hollow nerve cord; a notochord; pharyngeal gill slits; and a post-anal tail?
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Question 15
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Imagine that you are a paleontologist (a scientist who studies fossils of ancient life-forms). In a recent dig, you unearthed the following bones: jaw bone, vertebral column, and femur (thigh bone). Which phylum does the organism you unearthed belong to?
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Question 16
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What is unique about agnathans, represented today by lampreys?
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Question 17
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A diagnostic feature specific to cartilaginous fishes is __________.
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Question 18
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Most members of which class of chordates exhibit a mixture of aquatic and terrestrial adaptations?
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Question 19
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Which of the following is considered to be a reptile?
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Question 20
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What are the two key features of members of the class Mammalia?
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Question 21
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Which of these is an anthropoid?
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Question 22
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Which of these human features evolved most recently?
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Question 23
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Extended care of offspring allowed humans to evolve _____.
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Question 24
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Which of the following would you consider the most useful information for studies of evolution in humans?
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