The correct answer is A! Hope this helped!
Answer:
Just based on common sense, its either C or D. I would guess C but not 100% sure sorry.
Explanation:
Answer:
D. They shrink to increase body temperature
if wrong sorry ya based on my syllabus
When humans taste or smell, receptors unique to each nerve cell detect the chemical and send signals to the brain, where many cells process the message to understand what we are smelling or tasting. But a bacterium is just a single cell, and it must use many different receptors to sense and interpret everything around it.