Which of the following relationships is parasitic in nature? a. a flea feeding on a dog b. a fish cleaning worms from a shark c. a ladybug eating the aphids (insects) on a plant d. two buzzards fighting over a dead animal

A. a flea feeding on a dog

Explanation:

A flea feeding on a dog is parasitic in nature considering a parasitic relationship, also known as parasitism, is between two organisms in which the parasite, lives on or in the other organism, the host, causing it some harm. The flea is the parasite and the dog is the host with the flea feeding on it causing harm.

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.