'Negative feedback systems return' presentation slideshows

Ch. 1 Biology in the 21 st Century

Ch. 1 Biology in the 21 st Century. Science is a way of thinking, questioning, and gathering evidence. biosphere = everywhere life exists. Earth is home to an incredible diversity of life. The biosphere includes all living things and all the places they are found.

282 views • 27 slides

KEY CONCEPT Unifying themes connect concepts from many fields of biology.

KEY CONCEPT Unifying themes connect concepts from many fields of biology. All levels of life have systems of parts that interact A system is group of related parts that interact to form a whole. Biologists study many different systems from the molecular to the biosphere level.

534 views • 17 slides

KEY CONCEPT Biology is the study of all forms of life.

190 views • 17 slides

Unifying themes connect concepts from many fields of biology.

Unifying themes connect concepts from many fields of biology. All levels of life have systems of related parts. 1. A system is an organized group of interacting parts. A cell is a system of chemicals and processes. A body system includes organs that interact.

156 views • 12 slides