VIDEO: Cane Toads: An Unnatural History
VIDEO – “Cane Toads: An Unnatural History” Name:_________________________
Why Is This Important?
The thinking behind introducing cane toads to Australia was well-intended but the results were unimagined.
1. When were cane toads introduced to Australia?
2. Why were cane toads introduced to Australia?
3. Where are the cane toads native?
4. Briefly describe the reproductive life-cycle of cane toads.
5. What is it about the life-cycle that makes cane toad populations successful?
6. Did they do “their job”? Why or why not?
7. Are cane toad populations expanding exponentially or logistically in Australia (draw a simple graph of each type of growth)?
8. What type of species typically grow exponentially?
9. Are there natural predators of cane toad tadpoles, or adults, in Australia?
10. Are the adult cane toads habitat specific?
11. Are cane toads palatable? Why or why not?
12. What are some of the ways that humans appreciate or use cane toads?
13. How might conservation biologists control cane toad populations?
14. What are the ramifications (meaning “possible outcomes, both good and bad) of introducing a natural predator of cane toads?
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