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| 1 | |
Virtually all of the major groups of animals that survive at the present time originated at the beginning of the |
| | A) | Cenozoic era. |
| | B) | Mesozoic era. |
| | C) | Paleozoic era. |
| | D) | Certaceous period. |
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| 2 | |
The first invasion of the land by animals and perhaps the most successful invasion of the land was accomplished by |
| | A) | arthropods. |
| | B) | amphibians. |
| | C) | fungi. |
| | D) | plants. |
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| 3 | |
Dinosaurs disappeared and mammals quickly expanded to fill their place about |
| | A) | 300 million years ago. |
| | B) | 220 million years ago. |
| | C) | 100 million years ago. |
| | D) | 65 million years ago. |
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| 4 | |
The Alvarez hypothesis proposes that the dinosaurs became extinct because of |
| | A) | a meteorite striking the earth. |
| | B) | an infectious disease. |
| | C) | an increase in volcanic activity. |
| | D) | increased competition from mammals. |
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| 5 | |
We live in the |
| | A) | Mesozoic era. |
| | B) | Cretaceous period. |
| | C) | Carboniferous period. |
| | D) | Cenozoic era. |
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| 6 | |
All fish have gills, a vertebral column, single loop circulation, and jaws. |
| | A) | True |
| | B) | False |
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| 7 | |
A characteristic of the sharks is |
| | A) | an operculum. |
| | B) | a cartilaginous skeleton. |
| | C) | a swim bladder. |
| | D) | All of the above |
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| 8 | |
Amphibians, although the first vertebrates to walk on land, are not completely terrestrial. |
| | A) | True |
| | B) | False |
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| 9 | |
All reptiles share all of the following characteristics except |
| | A) | thoracic breathing. |
| | B) | dry skin. |
| | C) | hollow bones. |
| | D) | amniotic eggs. |
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| 10 | |
Archaeopteryx had which key birdlike features? |
| | A) | Hollow bones |
| | B) | Feathers |
| | C) | A wishbone |
| | D) | 2 and 3 only |
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| 11 | |
A characteristic shared by all mammals is |
| | A) | mammary glands. |
| | B) | giving birth to live young. |
| | C) | hooves. |
| | D) | pouches. |
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| 12 | |
Bony fish are the most successful group of vertebrates. |
| | A) | True |
| | B) | False |
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| 13 | |
Which of the following is/are endothermic? |
| | A) | Birds |
| | B) | Reptiles |
| | C) | Amphibians |
| | D) | Mammals |
| | E) | Both 1 and 4 |
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| 14 | |
Which of the following have moist skin that is susceptible to water loss? |
| | A) | Mammals |
| | B) | Birds |
| | C) | Amphibians |
| | D) | Reptiles |
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| 15 | |
The first half of the Cenozoic was __________ while that gradually changed to a ___________ climate. |
| | A) | cold, warm and moist |
| | B) | dry and hot, cold |
| | C) | warm and dry, warm and moist |
| | D) | warm and moist, colder and drier |
| | E) | cold and wet, cold and dry |
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| 16 | |
Development of a(n) __________ allowed amphibians to more efficiently deliver oxygen to their muscles. |
| | A) | pulmonary vein |
| | B) | closed circulatory system |
| | C) | four-chambered heart |
| | D) | smaller body size |
| | E) | true lung |
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| 17 | |
Which of the following is the correct order, from largest to smallest? |
| | A) | epochs, eras, periods, ages |
| | B) | ages, eras, epochs, periods |
| | C) | periods, epochs, ages, eras |
| | D) | eras, periods, epochs, ages |
| | E) | ages, epochs, periods, eras |
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| 18 | |
Which of the great lines of large-bodied reptiles have changed the least in 230 million years? |
| | A) | Dinosaurs |
| | B) | Crocodiles |
| | C) | Ichthyosaurs |
| | D) | Plesiosaurs |
| | E) | Pterosaurs |
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| 19 | |
Animal life began ________________ primarily during the _________. |
| | A) | on land, Paleozoic era |
| | B) | in the sea, Paleozoic era |
| | C) | on land, Cenozoic era |
| | D) | in the sea, Cenozoic era |
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| 20 | |
A swim bladder allows a fish to |
| | A) | regulate its water content in seawater. |
| | B) | regulate its salt content in seawater. |
| | C) | regulate its salt content in freshwater. |
| | D) | control its buoyancy in water. |
| | E) | tolerate changes in water pressure. |
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