Biology: The Study of Life

Biology's Primary Focus

• The primary focus of biology is to understand the intricate relationships between living organisms and their environment.

Unity and Diversity of Life

• The theme of evolution explains the unity and diversity of life, revealing the common ancestry and adaptations of organisms to their environments.

Energy Processing and Life

• Energy processing is essential to life, as it enables organisms to grow, respond to stimuli, reproduce, and maintain homeostasis.

Scientific Method in Biology

• The scientific method is used in biology to develop and test hypotheses, make observations, and draw conclusions about the natural world, ensuring that biological knowledge is based on evidence and empirical data.

Emergence of Life on Earth

• Life on Earth is believed to have emerged at least 3.5 billion years ago, marking the beginning of a complex and dynamic history of evolution and diversification.