1. What is an ecosystem?
Chapter 5 Lesson 1

2. Living and Nonliving Parts
Ecosystem- all the living and nonliving things in the area
Woods
Desert
Population- groups of organisms of one species that lives in the same area at the same time.
Community is made up of all populations in an area.

3. Biomes Large ecosystem with generally the same climate and organisms.
Cover many countries
Together make biosphere
Organisms interact
help each other in biomes

4. The role of organisms Niche- role an animal has in an ecosystem
Habitat- place where the animal lives.
Soil
Air
Water
Plants
Relationships keep ecosystem balanced.