Endemic and Invasive species
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by K. Petruzzi
| 9 Questions
1
1 pt
Which of the following terms most appropriately describes the Cane Toads in Australia
Endemic
Indigenous
Invasive
Keystone
2
1 pt
Why were Cane toads brought to Australia in the first place?
3
1 pt
WHich of the following changes did NOT occur as a result of the reintroduction of Wolves to Yellowstone Park
The Deer population decreased
An increase in dam building on the river by beavers occurred
Trees grew taller
The bird populations decreased
4
1 pt
Which organism is extinct?
The African Giraffe
The Bald Eagle
Grey Wolf
Black Rhinocerous
5
1 pt
Which of the following are features of Biological Hot spots? (Choose all that apply)
Must be an island
Must have over 1500 endemic species
Must have lost or be in danger of losing 70% of it's original habitat
Must be inhabited by people
6
1 pt
What does endemic mean?
Native
Diverse
Invasive
Threatened
7
2 pts
Identify two (2) ways humans can cause species loss?
8
1 pt
The beavers of yellowstone parke would best be described as:
A keystone species
An invasive species
Ecosystem Engineers
Top level predators
9
1 pt
The rate of background extinction is
about 1 species per year
about 10 species per year
about 100 species per year
Caused by catastrophic events like asteroid strikes
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