A researcher claims that bumblebees, despite their small brains, are capable of learning to perform a task by observing other bumblebees.
Which experimental finding, if true, would most strongly support the researcher's claim?
- A
Bumblebees communicate by vibrating their wings at varying frequencies.
- B
Bumblebees are known to navigate using polarized light.
- Ccheck_circle
Bumblebees that watched a trained bee pull a string to obtain nectar quickly learned to pull the string themselves, while bumblebees with no demonstration did not.
- D
Bumblebees are common pollinators of many flowering plants.
Explanation
A is a direct test of social learning. B, C, and D describe other bumblebee abilities unrelated to observational learning.