Although Some Sharks Close Their Eyes Just Before They Bite

question 59

Multiple Choice

Although some sharks close their eyes just before they bite, their bites are on target. Researchers have noted that sharks often misdirect their bites at metal objects and that they can find batteries buried under sand. This evidence suggests that sharks keep track of their prey during the split second before they bite in the same way that ________.

• A) a rattlesnake finds a mouse in its burrow
• B) an insect avoids being stepped on
• C) a star-nosed mole locates its prey in tunnels
• D) a platypus locates its prey in a muddy river

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Definitions:

Midwest

A geographical region in the United States that is generally considered to include the north-central states.

Alternative Hypothesis

The hypothesis that proposes a significant difference or relationship between variables, opposite to the null hypothesis.

One-way ANOVA

A statistical test used to compare the means of three or more independent groups to see if there is a significant difference between them.

Midwest

A geographical region of the United States generally including states in the central, northern part of the country.