1. Ecosystems Part 9
Biodiversity

2. Think about it... What is diversity? What is bio?
What is biodiversity?

3. Biodiversity
The number of and variety of organisms found within an ecosystem or region.
And
The number of and variety of ecosystems found within and beyond the region.

4. Biodiversity
Biologically diverse ecosystems:
Healthy
Complex
Stable

5. Succession
Nature tends to increase diversity over time.

7. Monoculture The opposite of biodiversity. The growing of one species.
Examples: a lawn, wheat field, or corn field.

8. Monoculture Species are identical Few complex food webs.
Disease can spread quickly.
Often requires use to pesticides to stop nature from biodiversifying.

9. Resilience
The ability of an ecosystem to remain functional and stable in the presence of disturbances.
The greater the diversity:
Increased plant cover.
More resistant to invasive species.
More disease resistant.