Ecosystem

_______ is a community of living things, together with their environment.

• Characteristics

• Ecosystem

• Survive

• Adaptation

What is this biome?

• Tundra

• Forest

• Desert

• Grassland

Which biome is this?

• Desert

• Tundra

• Forest

• Grassland

What is this biome?

• Desert

• Grassland

• Tundra

• Forest

What is this biome?

• Forests

• Aquatic

• Grassland

• Desert

What is this biome?

• Grassland

• Forests

• Tundra

• Aquatic

An _______ means all the living and nonliving things in the same area.

• Food chain

• Food web

_______ is the process of something becoming worse or weaker.

• restoration

• degradation

• sustainable

Ecosystem________ means recovery(恢复)of ecosystems that have been degraded, as well as protecting the ecosystems that are still intact. 

• restoration

• degradation

• planning