Darwin observed earthworm behavior where a worm would seize a leaf fragment by its narrow end in order to pull the leaf into its burrow.This behavior is
A) Evidence of high level reasoning
B) Mainly a product of trial and error
C) Genetic or innate
D) Proof of an extensive ability to learn
E) Now known to be totally random

Question

Quizplus · Accepted Answer

Darwin's observations suggested that earthworms use trial and error to determine the best way to pull leaves into their burrows, rather than relying on high-level reasoning or learning.

Darwin Observed Earthworm Behavior Where a Worm Would Seize a Leaf