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WorksheetsChanges in Biodiversity
Total questions: 26
Worksheet time: 19mins
Name
Class
Date
1.
A plant or animal that is not native to an area and causes destruction.
a)
Extinct
b)
Invasive
c)
Weeds
d)
Pests
2.
Any species in which every last member has died.
a)
Invasive
b)
Pest
c)
Extinct
d)
Weeds
3.
Pesticides, herbicides and the introduction of invasive species are some ways humans have damaged native species on our islands.
a)
True
b)
False
4.
It is not important to study extinct species because they were dead a long time ago and we can't learn anything from them.
a)
True
b)
False
5.
Extinct in 1662
a)
Smartest Bird Ever
b)
Yellow Beaked Turkey
c)
Turkey Vulture
d)
Dodo Bird
6.
Extinct in the 1930s
a)
Tasmanian Tiger
b)
Tasmanian Devil
c)
Tazmanian Skittles
d)
Striped Wolf
7.
The illegal capture or killing of an organism, often for money, is called...
a)
poaching
b)
harvesting
c)
fragementation
d)
extinction
8.
Exotic or invasive species leads to all of these problems except
a)
increased biodiversity
b)
loss of biodiversity
c)
disease
d)
loss of native species
9.
What makes a species invasive?
a)
Moving to a new ecosystem and taking resources from natives
b)
Not having papers
c)
Species that can't adapt
d)
Plants that take up too much space
10.
What is a native species?
a)
A specie that is local and has lived in the same place
b)
A specie who has come from another state or country
c)
A specie that has no "home" and travels for its whole life
d)
None of the above
11.
How did the zebra mussels end up in the Great Lakes?
a)
In ballast tanks of ships
b)
They were intentionally released
c)
They have always been in the Great Lakes
d)
That's not a zebra mussel
12.
What is the main cause for species invading?
a)
Air Pollution
b)
Wanting to be adventerous
c)
Human Means
d)
Themselves
13.
Why can an invasive species be bad for an ecosystem?
a)
They can provide too much food for the other organisms.
b)
They can disrupt the natural ecosystem.
c)
They can fight with other animals.
14.
Which type of species belongs in or came from a certain ecosystem?
a)
native (endemic) species
b)
alien species
c)
invasive species
15.
What does biodiversity mean?
a)
Only one species in an area.
b)
The different amount of species in an area
c)
All abiotic life
d)
Nitrogen fixation
16.
In this tundra food web, if grasses were removed what would happen to the sustainability of the ecosystem?
a)
There would be an overpopulation of arctic hares and lemmings.
b)
Polar bears would move to a new ecosystem
c)
The ecosystem would collapse because it lost its main producer
d)
Wildflowers would die out from the ecosystem
17.
Burning of fossil fuels can create acid rain. Acid rain can damage lakes because
a)
the fish that live there can only survive in a basic environment
b)
the fish that live there can only survive in a neutral environment
c)
habitat destruction
d)
fish can not survive in an acidic environment
18.
How can fertilizer harm an ecosystem?
a)
May kill insects that help pollinate the crops
b)
May evaporate causing smog in the air
c)
May help crops to grow
d)
May run into a nearby body of water causing an algae bloom
19.
Put the steps of eutrophication in the correct order:
a)
1. Animal waste and fertilizer runoff into a body of water 2. Algae overgrow 3. Excess algae die 4. Sunlight is blocked for aquatic plants 5. Animals die from no oxygen
b)
1. Animal waste and fertilizer runoff into a body of water 2.Sunlight is blocked 3. Animals die from no oxygen 4. Algae overgrows 5.Excess algae die
c)
1. Algae overgrow 2. Animal waste and fertilizer runoff into a body of water 3. Animals die from no oxygen 4. Excess algae die 5. Sunlight is blocked for aquatic plants
20.
What is the greenhouse effect?
a)
The warming of a planet due to trapped radiation.
b)
The cooling of Earth due to air pollution.
c)
The heating of a solid, such as a rock.
21.
What gas from the list below is a cause for global warming?
a)
Urethane
b)
Oxygen
c)
Carbon Dioxide
22.
What do greenhouse gases do in our atmosphere?
a)
They absorb radiation given off by the Earth
b)
They block harmful radiation from reaching the Earth
c)
They keep all the air within the Earth
d)
They make the Earth cooler
23.
What do humans do that releases greenhouse gases into the atmosphere?
a)
Burn fossil fuels (like gas and coal)
b)
Build cement buildings
c)
Ride bikes and use solar energy
d)
Compete in the Olympics
24.
Removing more organisms from a population than can be replaced
a)
Livestock
b)
Domesticated
c)
Overharvesting
d)
Yield
25.
Organisms that have been bred and managed for human use
a)
Livestock
b)
Domesticated
c)
Biological pest control
d)
Overharvesting
26.
A poison used to destroy pests
a)
Biological Pest Control
b)
Pesticide
c)
Genetic Engineering
d)
Overharvesting
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