1. Conservation

2. What is conservation?
1. Conservation – the wise use of natural resources to prevent them from being used up. - also maintains the balance of ecosystems - very important for ecosystems 2. Some things that we conserve: - water, soil, forests, fossil fuels, habitat

3. 3. Composting – a way to conserve natural resources - recycling food wastes - food waste becomes fertilizer for soil - people compost their garbage - prevents waste building up in landfills

4. Reusing – reuse items over and over, instead of throwing them out
- help conserve natural resources

5. Recycling – using a waste material in a new product
- Glass, aluminum and iron waste can be melted down
- waste paper can be made into new paper and save trees
- recycling saves energy and natural resources

6. Soil conservation – conserving soil
- soil takes a long time to be created but can be easily worn away (eroded)

7. Biodiversity – total variety of living things in an environment
- more variety in an ecosystem = stronger,
healthy ecosystem
Extinct species – species that have disappeared from the Earth
Endangered species – organisms in danger of becoming extinct

8. Loss of Habitat – main threat to wildlife
- cutting down trees, destroying ecosystems
Deforestation – cutting and clearing of forests
- used to create farmland or areas of human use

9. Exit slip questions
The total variety of living things in an environment is called ____________________.
To ______________ is to reprocess a waste material for use in a new product.