What Term Describes the Layer of Partly Decayed Plant Matter

question 22

Essay

What term describes the layer of partly decayed plant matter at the top of the soil profile in most forested areas?

---

Definitions:

Raw Materials

Basic materials from which products are made, including direct materials like wood for furniture or iron ore for steel production.

Isotonic Solution

Solution that is equal in solute concentration to that of the cytoplasm of a cell; causes cell to neither lose nor gain water by osmosis.

Solute Concentration

A measure of the amount of a solute that is dissolved in a solvent, determining the solute's proportion in a solution.

Selectively Permeable Membrane

A membrane that only allows specific molecules or ions to pass through it by active or passive transport.