Science 9 Unit A Biological Diversity Section1.2 Lesson Interdependence
ECOSYSTEM NOTES Video Clips 1-4 United Streaming.
What shapes an Ecosystem?. Biotic and Abiotic Factors Biotic Factors – biological (living) influences on organisms within an ecosystem. Abiotic Factors.
Science 9 Unit A – Biological Diversity 1.0 – Biological Diversity and the Variety of Life on Earth.
CHAPTER 4 REVIEW
What shapes an Ecosystem ?