Practice Quiz for Class

No. of Questions= 12
INSTRUCTIONS: To answer a question, click the button in front of your choice. A response will appear in the window below the question to let you know if you are correct. Be sure to read the feedback. It is designed to help you learn the material. You can also learn by reading the feedback for incorrect answers.

1 In the Linnaean classification system, the class level is:
a)  below phylum
b)  above phylum
c)  above subphylum
2 The classes Agnatha, Chondrichthyes, and Osteichthyes have in common that they:
a) are invertebrates
b) are fish
c) all have bones instead of just cartilage
d) none of the above
3 The vertebrate class Amphibia:
a) includes turtles
b) normally spend their entire lives under water
c) lay their eggs in water or damp areas
d) none of the above
4 Which of the following are not members of the vertebrate class Reptilia?
a) snakes
b) lizards
c) alligators
d) all are Reptilia
5 Which of the following is true concerning amniote eggs?
a) They can survive out of water.
b) They have a leather hard shell.
c) They usually survive better than a fish egg.
d) all of the above
6 Which of the following do not produce amniote eggs?
a) Amphibia
b) Aves
c) Reptilia
7 All mammals:
a) nourish their young with mammary gland secretions
b) are heterodonts
c) conceive their young within the reproductive tract of the mother
d) all of the above
8 Heterodontism refers to having:
a) molar teeth
b) a variety of types of teeth
c) paired mammary glands
d) none of the above
9 Which of the following are endothermic animals?
a) dogs
b) whales
c) birds
d) all of the above
10 In comparing animals of the same size, we would expect that ectothermic ones ______________ than endothermic ones.
a) consume more calories
b) consume fewer calories
c) are more active on very cold nights
11 The first mammals appeared:
a) after the dinosaurs became extinct
b) before the dinosaurs became extinct
c) about 10 million years ago
12 Which of the following are mammalian traits?
a) a 4 chambered heart
b) hair
c) sweat glands
d) all of the above



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