Which sentence best summarizes the text?

The reader can conclude that the lack of decomposers significantly contributed to the breakdown of the biodome's matter cycle.

PART A: Which of these inferences about algae is supported by the text?

PART B: Which two sentences from the text best support your answer in Part A?

The author uses a word that means 'easily broken or damaged' in the text.

The author used a problem-solution structure throughout the text. What is the most likely reason the author structured the text this way?

What inference can be made about the author’s opinion about the importance of biodiversity in ecosystems? Support your answer with evidence from the text.