© 2004 Plano ISD, Plano, TX Introducing. © 2004 Plano ISD, Plano, TX the study of the relationships between biotic and abiotic factors in environments.
Ecosystems
The Organization of Life Ecosystems and Diversity Chapter 4.
THE SCOPE OF BIOLOGY CH 1 What defines a living thing?
Ecosystems All of the organisms living in an area together with their physical environment.
Section 13.2: Biotic and Abiotic Factors Biology.
Unit 5 - Plants and Animals are Interdependent. Living Things and the Environment Organism – a living thing All organisms need the following things to.
4-2 What Shapes an Ecosystem? Ecosystems are shaped by Biotic (living) & Abiotic (nonliving) factors. Biotic factor=living organisms in the ecosystem Abiotic.
Lesson 1.3 Wetlands and Watersheds
Lesson 1.3 Wetlands and Watersheds Pg. 14- 18. Stream Biology Streams and Rivers are aquatic ecosystems that are teeming with life – There are three main.
Ecosystems. What makes areas of the world different from each other?
6/7/13 Living Environment