Why is biodiversity important to ecosystems

Biodiversity is important to ecosystems because it boosts ecosystem productivity where each species , no matter , how small, all have an important role to play.

For example :

i don't know, but does anyone wanna be friends? i'm doing my homework at 1: 49 in the morning : /

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.