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Worksheetsbiodiversity
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
What is biodiversity
a)
the number or variety of species in a particular region
b)
scientists who classify species, use an organism's physical appearance and genetic makeup to determine its species
c)
the variety of life across all levels of ecological organization
d)
decreases species diversity
2.
What are the 3 types of Biodiversity
a)
sedimentary, metamorphic, and igneous
b)
genetic diversity, Ecosystem diversity, species diversity
c)
ionic, covalent and metallic
d)
mRNA, tRNA, rRNA
3.
What is Species diversity?..?...
a)
the number or variety of species in the word or in a particular region
b)
The range of genetic material present in a gene pool or population of a species.
c)
The variety of ecosystems that are present in the biosphere.
d)
A species whose numbers are so small that the species is at risk of extinction.
4.
What is ecosystem diversity...??..
a)
Number of different species in the biosphere.
b)
Regional extinction.
c)
A species whose numbers are so small that the species is at risk of extinction.
d)
The variety of ecosystems that are present in the biosphere.
5.
The "4" benefits of Biodiversity
a)
lowering blood pressure, curing infection, or relieving pain.
b)
Agriculture, Medicine, tourism and recreation, ecosystem services
c)
more money, more time
d)
umm idek
6.
What does genetic diversity provide?
a)
generates new species, adding to species diversity, whereas extinction decreases species diversity.
b)
the raw material necessary for adaptation to local conditions
c)
taxonomic groups and geographic regions
d)
Summarizes population trends for a set number of terrestrial, freshwater, and marine species that are closely monitored and provide reliable data.
7.
When does overharvesting occur?
a)
if it is both resistant and resilient.
b)
when humans hunt, fish, or harvest a species faster than it can replenish its population
c)
When populations increase rapidly, spread, and displace native species.
d)
without ample habitat and protection in the wild cloning animals in zoos does little good.
8.
What is extinction?
a)
The species is pushed closer to extinction
b)
the raw material necessary for adaptation to local conditions
c)
a species that only exists in one particular area in the world/
d)
When the last member of a species dies.
9.
Why are tropical forests so rich in biodiversity?
a)
they contain a diversity of ecological niches from the forest floor to the canopy.
b)
because..
c)
Beacause there are two ecosystems
d)
because they get a lot of rain
10.
How is background extinction rate studied?
a)
with books
b)
Fossil records
c)
by guessing
d)
in class
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