2. The structural and functional unit of life is (a) a cell, (b) an organ, (c) the organism, (d) a molecule.

A. A cell

Explanation:

Cells are the building blocks of life.

They are the biological units of organisms and are the basic structural and functional units of life.

Cells are the smallest units of life.

amber has allowed scientists to study dna that has been preserved over millions of years.

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."