Question

Read Making the most of a meal
Stephen Ornes
2010
Which sentence best describes the central idea of the article?
A. Sea slugs have learned how to use photosynthesis to make their own food by observing algae.
B. Sea slugs process food so slowly that they only need to consume algae once in their lifetime.
C. Sea slugs absorb chemicals and instructions for how to make their own food from the algae they eat.
D. Sea slugs have adapted to make their own food because their usual food source of algae has declined.

Answer 1

The sentence that best describes the central idea of the article is:

C. Sea slugs absorb chemicals and instructions for how to make their own food from the algae they eat.