Some plants communicate stress to their neighbors through airborne chemical signals. When a tomato plant is attacked by herbivorous insects, it releases volatile compounds that drift to nearby tomato plants. These neighbors respond by ramping up the production of defensive proteins even before any insect reaches them.
Which choice best describes the function of the second and third sentences in the text?
- A
They contradict the claim made in the first sentence.
- B
They introduce a different plant species.
- C
They define the term 'communication'.
- Dcheck_circle
They specify the mechanism that supports the claim made in the first sentence.
Explanation
The two sentences describe the volatile-signaling and neighbor-response mechanism that grounds the opening claim. B is correct.