|Question 7Verbal

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Habitat navigation is a skill that helps animals reach food or safety. To test how navigation works in fish, Shachar Givon and colleagues taught goldfish to drive a vehicle–a motorized fish tank with wheels–on land. The vehicle was programmed to move in the same direction that the fish swam in within the tank. In the experiment, the fish were tasked with driving their tank to a pink board. They received a treat when they succeeded, and they often did. Because the fish could move their tank to the board, Givon concludes that their navigational skills aren't specific to an aquatic environment.
Which choice best states the main idea of the text?
Research shows that although they live in the water, fish can navigate on land with a little mechanical help.
A
Fish can navigate only within their natural aquatic environment in order to find food and safety.
B
Researchers can train animals to complete many different tasks when they offer the animals treats.
C
An animal's navigational skills directly depend on that animal's particular environment.
D