An ecosystem with a large number of species is said to have

Biodiversity

Explanation:

Biodiversity deals with how specie rich an ecosystem is. An ecosystem with a large number of specie can be said to be bio-diverse i.e it has a wide variety of species.

The tropical regions of the world can be said to be bio-diverse in that a wide variety of species inhabit them.

i dont know it at allnow im just getting points at this pint

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.