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WorksheetsBiodiversity in Ecosystems (P1)
Total questions: 20
Worksheet time: 3600secs
Name
Class
Date
1.
Changing a habitat so much that it is no longer usable by the organisms that live there.
a)
Reclamation
b)
Overexploitation
c)
Habitat destruction
2.
Habitat restoration can have a positive impact on biodiversity in an area.
a)
True
b)
False
3.
Which is NOT an aquatic ecosystem?
a)
Taiga
b)
Freshwater
c)
Estuary
4.
Tropical rain forests and coral reefs are examples of ecosystem with low biodiversity.
a)
True
b)
False
5.
Reclamation is the process of restoring land disturbed by _______________.
a)
weather changes
b)
mining
c)
habitat deconstruction
6.
Climate change is a threat to biodiversity on Earth.
a)
True
b)
False
7.
The contamination of the environment with substances that are harmful to life.
a)
Pollution
b)
Supporting services
c)
Resilience
8.
The number and variety of organisms found in a specific region.
a)
Species
b)
Biodiversity
c)
Dynamic equilibrium
9.
Scientists can use aerial photos to collect data to determine the biodiversity index of an area.
a)
True
b)
False
10.
An ecosystem with a large number of individuals cannot have a low biodiversity.
a)
True
b)
False
11.
True or False: Biodiversity is the amount and variety of organisms in an ecosystem.
a)
False
b)
True
12.
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
13.
A drought has hit this grassland biome. How will this effect the rabbit population?
a)
The rabbits will increase in number.
b)
The rabbit population will stay the same.
c)
The rabbit population will decrease.
d)
The rabbit population will become extinct immediately.
14.
When every organism of a species has died.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artificial Selection
15.
If the amount of food or resources available increases, the carrying capacity for an animal:
a)
Stays the same
b)
Increases
c)
Decreases
d)
Fluctuates
16.
In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?
a)
Squirrel Population
b)
Sunlight
c)
Grass available
17.
A wetland being drained so a housing development can be built is an example of ________________________.
a)
habitat destruction
b)
overexploitation
c)
pollution
d)
conservation
18.
The study of organisms and how they interact with one another and their environment is best described as
a)
Biology
b)
Ecology
c)
Zoology
d)
Botany
19.
what is the name for all the animals of the same species living in an ecosystem??
a)
community
b)
population
c)
Biosphere
d)
All of these
20.
Ecosystems provide ___________ upon which animals and humans depend.
a)
Water and air
b)
Carbon and nitrogen
c)
Climate
d)
All the above
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