1. Aim: What are the advantages that biodiversity has to offer?
DO NOW
Which image has less biodiversity? Which has more?
Explain what biodiversity is.

2. Biodiversity
The number of different species of living things in an ecosystem

3. Species Diversity
A measure of the number of different species in a habitat
Also a measure of how many organisms of each species there are in a habitat

4. Q: Which community has more species diversity?

5. Biomes & Biodiversity
Desert: 3 saguaro cactus, 5 barrel cactus, 4 tumbleweed, 500 insects, 2 lizards
Woodland: 9 oak trees, 30 daises, 900 moss plants, 40,000 insects, 18 mice, 2 moles, 3 squirrels, 10 birds
Questions: Which biome has greater species diversity? Which biome is more biodiverse?

6. Desert vs. Woodland Biomes

7. Advantages of Biodiversity
Food webs more complex
Less likely that a certain species will die out in a high biodiversity area

8. Factors affecting Biodiversity
Factors may be man-made or natural (ex. flood or landslide)
Biotic: humans cutting down a forest, predators
Abiotic: light, rainfall, food/nutrients, soil, space

10. Let’s Conserve Biodiversity
Be informed
Be aware
Make informed decisions

11. Video

12. Homework
Worksheet on biodiversity