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WorksheetsChanges to Ecosystems
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
What is the name of the species that were originally in a location? (not brought in from somewhere else)
a)
Invasive Species
b)
Alien Species
c)
Native Species
d)
Natural Species
2.
What is the name of new species that have been brought in from other countries?
a)
Native Species
b)
New Species
c)
Alien Species
d)
International Species
3.
What is the name of the alien species who have taken over native species?
a)
Native Species
b)
Alien Species
c)
Natural Species
d)
Invasive Species
4.
Which invasive species grows in the desert and hoards water, takes over native vegetation, and cannot be eaten by native animals?
a)
Zebra Mussels
b)
Tamarisk Plant
c)
Asian Long-horned Beetle
d)
Sea Lamprey
5.
Which invasive species burrows under the bark of trees and slowly kills them?
a)
Zebra Mussels
b)
Tamarisk Plant
c)
Asian Long-Horned Beetle
d)
Sea Lamprey
6.
Which invasive species attaches itself to fish and sucks the nutrients out of the fish, sometimes killing it?
a)
Zebra Mussel
b)
Tamarisk Plant
c)
Asian Long-Horned Beetle
d)
Sea Lamprey
7.
Which invasive species lives on other species, smothers them, filters plankton out of the water, and clogs pipes?
a)
Zebra Mussels
b)
Tamarisk Plant
c)
Asian Long-Horned Beetle
d)
Sea Lamprey
8.
What the best way to get rid of an invasive species?
a)
Spray chemicals to kill all species, invasive and native
b)
Use machines to clear away all species, invasive and native
c)
Bring in predators of the invasive species, to control population
d)
Place poison near the invasive species and hope they take it
9.
When an invasive species starts to take over a habitat, what can the native species do?
a)
Relocate
b)
Adapt
c)
Die
d)
All Answers
10.
Natural disasters can also change ecosystems. What can organisms do if a disaster happens?
a)
Fight, Survive, Struggle
b)
Relocate, Adapt, Die
c)
Stay, Sleep, Survive
d)
Eat, Sleep, Repeat
11.
If all the fossils are found in the same layer of the Earth, what kind of extinction did they have?
a)
Slow Extinction
b)
Mass Extinction
12.
What's the biggest reason why species have gone extinct?
a)
People hunting
b)
Climate Change
c)
Meteoroid
d)
Earth shifting
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