Select the three details that should be included in a summary of the text.

The scientist believes the relationship between the newts and snakes is actively changing. Which sentence from the text best supports this inference?

PART A: Which of these conclusions about the scientists is supported by evidence from the text?

PART B: Which detail from the text best supports your answer in Part A?

The author uses a word or phrase that means 'differences among individuals within a group' in the text.

The author includes details about a scientist studying the newts and snakes after explaining the natural processes involving them.

What conclusion can be drawn about the meaning of natural selection from this example? Support your answer with evidence from the text.