Ecological blank are a collection of plants, animals, and microorganisms residing in a habitat

There are no answer choices posted, so it is impossible to answer this. I apologise.

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."

the missing space is phylum