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| 1 | |
Why might a farmer like to see snakes in a barn where grain is stored?
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| | A) | Snakes eat rats and mice. |
| | B) | Snakes are biological indicators. |
| | C) | Snakes eat grain. |
| | D) | Snake eggs are good to eat. |
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| 2 | |
Most bony fish have a __________ that allows the fish to adjust its density in response to the density of the surrounding water.
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| | A) | lateral line |
| | B) | swim bladder |
| | C) | lung |
| | D) | gill cover |
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| 3 | |
A turtle's ribs and vertebrae are fused to the inside of the top part of its __________.
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| | A) | shell |
| | B) | skin |
| | C) | notochord |
| | D) | lungs |
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| 4 | |
One group of bony fish, the __________, were thought to have been extinct for more than 70 million years.
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| | A) | cartilaginous fish |
| | B) | lungfish |
| | C) | ray-finned fish |
| | D) | lobe-finned fish |
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| 5 | |
What structures are found in the chest cavity of amphibians and used for exchange of oxygen and carbon dioxide?
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| | A) | gills |
| | B) | three-chambered hearts |
| | C) | swim bladders |
| | D) | lungs |
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| 6 | |
Which one of the following is a characteristic that only vertebrates have?
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| | A) | nerve cord |
| | B) | endoskeleton of bone or cartilage |
| | C) | gill slits for filter feeding |
| | D) | brain |
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| 7 | |
Most fish __________ are made of bone and can be tooth shaped, diamond shaped, cone shaped, or round.
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| | A) | fins |
| | B) | scales |
| | C) | gills |
| | D) | eggs |
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| 8 | |
Because of their unique way of life, amphibians are considered to be __________ indicators.
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| | A) | fossil |
| | B) | pollutant |
| | C) | erosion |
| | D) | biological |
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| 9 | |
How are reptile eggs different from fish or amphibian eggs?
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| | A) | They are covered by a shell. |
| | B) | They develop in the male. |
| | C) | They are fertilized externally. |
| | D) | They are small. |
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| 10 | |
Which one of the following organisms is an amphibian?
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| | A) | snake |
| | B) | salamander |
| | C) | turtle |
| | D) | lizard |
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| 11 | |
Which animals are ectothems with thick, dry, waterproof skin?
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| | A) | vertebrates |
| | B) | amphibians |
| | C) | reptiles |
| | D) | bony fish |
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| 12 | |
How would you expect the internal body temperature of an animal that is an endotherm to change on a cold winter day?
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| | A) | Its temperature should go down. |
| | B) | Its body temperature should be 0ºC. |
| | C) | Its temperature should not change much. |
| | D) | Its temperature should go up. |
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| 13 | |
Snakes can swallow their prey whole because they have __________.
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| | A) | a special joint in their jaw |
| | B) | internal fertilization |
| | C) | the ability to constrict |
| | D) | venom |
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| 14 | |
If you ate a tuna-fish sandwich, what type of fish would you be eating?
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| | A) | ray-finned fish |
| | B) | cartilaginous fish |
| | C) | lungfish |
| | D) | jawless fish |
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| 15 | |
In some fish, egg and sperm join inside the female's body. This is called __________.
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| | A) | spawning |
| | B) | external fertilization |
| | C) | internal fertilization |
| | D) | hatching |
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| 16 | |
Metamorphosis is a part of what process in amphibians?
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| | A) | circulation |
| | B) | respiration |
| | C) | development |
| | D) | reproduction |
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| 17 | |
What system do fish use to sense their environment and detect movement?
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| | A) | blood system |
| | B) | lateral line system |
| | C) | gas exchange system |
| | D) | reproductive system |
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| 18 | |
Which one of the following is a characteristic of frogs and toads that helps them survive in the water?
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| | A) | tongues attached at the front of the mouth |
| | B) | moist skin |
| | C) | nostrils on top of the head |
| | D) | tympanic membranes |
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| 19 | |
Which one of the following reptiles gives the most care to its young?
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| | A) | turtles |
| | B) | crocodiles |
| | C) | snakes |
| | D) | lizards |
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| 20 | |
Most reptiles have a __________ heart.
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| | A) | two-chambered |
| | B) | four-chambered |
| | C) | three-chambered |
| | D) | one-chambered |
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