Biology Themes and Concepts Quiz

Unity and Diversity of Life

• The unifying theme that explains the unity and diversity of life is the concept of evolution, which suggests that all living organisms share a common ancestor.

Molecular Biology of a Cell

• Biologists study the molecular biology of a cell at the molecular level, focusing on the structure and function of biomolecules such as DNA, RNA, and proteins.

Hereditary Information

• The primary source of hereditary information in organisms is DNA (deoxyribonucleic acid), which contains the genetic instructions for the development and function of an organism.

Domains of Life

• The domain of life that includes prokaryotic organisms such as archaea and bacteria is the Bacteria and Archaea domains, which are characterized by the absence of a true nucleus and membrane-bound organelles.

Scientific Method

• The primary method used by biologists to make observations and form conclusions is the scientific method, which involves making observations, formulating hypotheses, and testing these hypotheses through experiments and data analysis.