Rearrange the parts of the sentence in correct order.

The researchers

P. performed experiments and developed a model

Q. which explains how the worm's taste sensors

R. to direct its foraging behaviour

S. process information from the environment

PQSR

The correct answer is Option (2) - PQSR

The correct order of the jumbled sentences is PQSR.

The sentence is about how the researchers performed experiments and developed a model which explains how the worm's taste sensors process information from the environment to direct its foraging behavior.

Here is the explanation:

• P is the subject of the sentence, which is the researchers.
• Q is the object of the prepositional phrase, which is experiments.
• S is the object of the prepositional phrase, which is the worm's taste sensors.
• R is the verb, which means to explain.