Content Frame
Note for screen reader users: There is text between the form elements on this page. To be sure that you do not miss any text, use item by item navigation methods, rather than tabbing from form element to form element
[Skip Breadcrumb Navigation]

Reading Quiz

This activity contains 24 questions.

Question 1
Open Hint for Question 1 in a new window
The Hobbit people, along with over one million species of animals that have been named and described by biologists, arose __________.
End of Question 1

Question 2
Open Hint for Question 2 in a new window
All animals can trace their lineage to a common ancestor that lived in the _____.
End of Question 2

Question 3
Open Hint for Question 3 in a new window
How are animals different from fungi?
End of Question 3

Question 4
Open Hint for Question 4 in a new window
The _____ explosion occurred approximately 545 million years ago.
End of Question 4

Question 5
Open Hint for Question 5 in a new window
One body plan, called bilateral symmetry, represents a major branch point in animal evolution and can be described as __________.
End of Question 5

Question 6
Open Hint for Question 6 in a new window
Which of the following is an invertebrate?
End of Question 6

Question 7
Open Hint for Question 7 in a new window
A characteristic of cnidarians is __________.
End of Question 7

Question 8
Open Hint for Question 8 in a new window
Members of the phylum Mollusca __________.
End of Question 8

Question 9
Open Hint for Question 9 in a new window
Which phylum includes the simplest animals with bilateral symmetry?
End of Question 9

Question 10
Open Hint for Question 10 in a new window
Annelids, such as the leeches, __________, a characteristic shared by all other bilateral animals except flatworms.
End of Question 10

Question 11
Open Hint for Question 11 in a new window
Which of the following are called nematodes?
End of Question 11

Question 12
Open Hint for Question 12 in a new window
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?
End of Question 12

Question 13
Open Hint for Question 13 in a new window
Sea stars and sand dollars belong to a group of spiny marine animals called _____.
End of Question 13

Question 14
Open Hint for Question 14 in a new window
Which phylum includes animals that have the following characteristics: a dorsal, hollow nerve cord; a notochord; pharyngeal gill slits; and a post-anal tail?
End of Question 14

Question 15
Open Hint for Question 15 in a new window
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?
End of Question 15

Question 16
Open Hint for Question 16 in a new window
What is unique about agnathans, represented today by lampreys?
End of Question 16

Question 17
Open Hint for Question 17 in a new window
A diagnostic feature specific to cartilaginous fishes is __________.
End of Question 17

Question 18
Open Hint for Question 18 in a new window
Most members of which class of chordates exhibit a mixture of aquatic and terrestrial adaptations?
End of Question 18

Question 19
Open Hint for Question 19 in a new window
Which of the following is considered to be a reptile?
End of Question 19

Question 20
Open Hint for Question 20 in a new window
What are the two key features of members of the class Mammalia?
End of Question 20

Question 21
Open Hint for Question 21 in a new window
Which of these is an anthropoid?
End of Question 21

Question 22
Open Hint for Question 22 in a new window
Which of these human features evolved most recently?
End of Question 22

Question 23
Open Hint for Question 23 in a new window
Extended care of offspring allowed humans to evolve _____.
End of Question 23

Question 24
Open Hint for Question 24 in a new window
Which of the following would you consider the most useful information for studies of evolution in humans?
End of Question 24

Clear Answers/Start Over

Answer choices in this exercise appear in a different order each time the page is loaded.

Copyright © 1995 - 2017 Pearson Education . All rights reserved. Pearson Benjamin Cummings is an imprint of Pearson .
Legal Notice | Privacy Policy | Permissions

[Return to the Top of this Page]