Send the link below via email or IMCopy
Present to your audienceStart remote presentation
- Invited audience members will follow you as you navigate and present
- People invited to a presentation do not need a Prezi account
- This link expires 10 minutes after you close the presentation
- A maximum of 30 users can follow your presentation
- Learn more about this feature in our knowledge base article
Do you really want to delete this prezi?
Neither you, nor the coeditors you shared it with will be able to recover it again.
Make your likes visible on Facebook?
You can change this under Settings & Account at any time.
Transcript of Biodiversity
higher temperatures and more rainfall
eg. rainforest - 283 species of trees per hectare
eg. boreal forest - 15 species of trees per hectare
Benefits of Biodiversity Look at the following pictures. Which has more biodiversity? The more diverse an ecosystem, the healthier it will be.
diverse ecosystems can withstand disturbances such as droughts, disease, and the arrival of new species Which category is largest?
Which is the smallest?
Which two sections, if added together will make up more than half?
Can you tell how many birds were counted altogether? Explain.
Endangered: Any species at risk of extinction. Currently, 40% of species are considered endangered Extinct: A species that is no longer living. Only 332 left Only 720 left Only 100 left 350 - 450 left black footed ferret Phillipine Crocodile Siberian tiger Red wolf Mountrain Gorilla 23 females left
Western Grey Whale 300 left
Sumatran Rhinoceros California Condor Orangutan Ganges Shark Dodo bird Quagga Tasmanian Tiger Caribbean Monk Seal Pyrennean Ibex Golden Toad Carrier Pigeon Javan Tiger Baiji Dolphin What type of area makes up most of Ontario?
How much of Ontario is wetlands?
How much of Ontario is water?
What could 'other' represent? Other species at risk:
Polar bears, barn owl, swift fox, Atlantic cod What is the biggest threat to biodiversity?
What are two causes of extinction?
What is a biodiversity hotspot?