The text states that krill are important to life in the ocean. Which sentence best states why?
A They make sounds that warn other animals of danger.
B They are food for many whales, fish, and birds.
C They grow on the sides of fish tanks.
D They have colorful shells that are used to make dyes.
The text states that krill are important to life in the ocean. Which sentence best states why
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The correct answer is B: They are food for many whales, fish, and birds.
Explanation: Krill are a crucial part of the marine food web, serving as a primary food source for various marine animals, including whales, fish, and birds. This highlights their importance to life in the ocean, as they support the diets of many higher trophic levels.