Which sentence best summarizes the text?

The reader can conclude that nutrient runoff is harmful to the ecosystem.

Part A: What inference can be made about how the water temperature, plankton, and nutrients interact?

Part B: Which section from the passage best supports your answer in Part A?

Read the sentences.

What does the author accomplish by ending with the section 'Your Turn to Be a Biologist!' in the text? Select two options.

What inference can be made about the author’s opinion of taking care of the environment? Explain using key evidence from the text to support your answer.