The change of common color from light to dark in the peppered moth was an example of: a. disruptive selection b. directional selection c. stabilizing selection

chjd the anser is A ik this because i had this question in a quiz hope i helped ;)

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.