watch the document and answer following question https://www.youtube.com/watch?v
ID: 288517 • Letter: W
Question
watch the document and answer following question
https://www.youtube.com/watch?v=6SBLf1tsoaw
5. Why are cane toads so deadly to predators?
6. What WAS that guy smoking?
7. Name some things with which the cane toads have tried to mate.
8. Name some things the cane toads have tried to eat.
9. Give several reasons why the cane toads can be so disastrous for native species. In other words, what are the reasons why they are such successful invaders?
10. Describe what might happen to the ecosystem where the toads invade.
11. Identify and describe some of the different ways in which people perceive and treat invasive species, in relation to the rest of the environment. For example one person interviewed likens cane toads to an invading army, whereas another embraces them as simply another of “God’s creatures’. Another has a novel, if quite brutal method of controlling their numbers. Does one of these ways of understanding the relationship between people and different aspects of the environment seem more compelling to you? Why?
Explanation / Answer
Question: 5
Why are cane toads deadly to predators?
Can toads are poisonous. They have venom secreting poison glands (parotoid glands) on their shoulders.
Poison is released when they are threatened.
If this poison is ingested it causes rapid heartbeat, excess secretion of saliva, paralysis and death.
Question: 6
What was that guy smoking?
Some people found this poison to be used as drug for smoking.
Question: 7
Name some things with which the cane toads have tried to mate?
Question: 8
Name some things which cane toads have tried to eat?
Question: 9
Give several reasons why cane toads can be disastrous for native species. In other words, what are the reasons why they are such successful invaders?
Question: 10
Describe effect on Ecosystem?
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