On a Hike in the Mountains, You Find a Stream

question 2

Multiple Choice

On a hike in the mountains, you find a stream with a rocky bottom. Many of the rocks are covered in algae. Which type of mollusc is most likely to be found living in this environment?

• A)A cephalopod because it can move quickly through the stream to avoid predators.
• B)A gastropod because it can use its radula to scrape the rocks for algae on which to feed.
• C)A bivalve because its sedentary life style allows it to remain still when currents flow over the rocks.

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