AP BIOLOGY

Detailed explanation-1: -The major levels of organization in the body, from the simplest to the most complex are: atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism.

Detailed explanation-2: -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: -We classify organisms into four levels of vertical complexity: (i) virus, (ii) single-celled prokaryote, (iii) single-celled eukaryote and (iv) non-colonial multicellular eukaryote.

Detailed explanation-4: -Explanation: The levels of organization from lowest complexity to highest are: species, population, community, ecosystem, biome and biosphere.

Detailed explanation-5: -Many individual organisms can be organized into the following levels: cells, tissues, organs, organs systems, and organisms.