AP BIOLOGY

Detailed explanation-1: -The simplest level is the chemical level, which includes tiny building blocks such as atoms. Cells are the smallest functional units of life. Tissues are groups of similar cells that have a common function.

Detailed explanation-2: -Level 1: Cells The first and most basic level of organization is the cellular level. A cell is the basic unit of life and the smallest unit capable of reproduction. While cells vary greatly in their structure and function based on the type of organism, all cells have a few things in common.

Detailed explanation-3: -The simplest level of organization for living things is a single organelle, which is composed of aggregates of macromolecules. The highest level of organization for living things is the biosphere; it encompasses all other levels.

Detailed explanation-4: -Life processes of the human body are maintained at several levels of structural organization. These include the chemical, cellular, tissue, organ, organ system, and the organism level.

Detailed explanation-5: -A cell is the smallest independently functioning unit of a living organism.