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Worksheets7.10 Biodiversity and Succession
Total questions: 25
Worksheet time: 19mins
Name
Class
Date
1.
A/n ___ consists of all the communities that live in an area and the abiotic features of their environment.
a)
community
b)
population
c)
biome
d)
ecosystem
2.
A/n ___ is all the populations in an area.
a)
ecosystem
b)
population
c)
community
d)
biome
3.
All the organisms of one species that live in an area are called the ___.
a)
population
b)
ecosystem
c)
biome
d)
community
4.
The gradual, predictable change from one community of organisms to another is called ___.
a)
climax community
b)
ecological succession
c)
ecosystem succession
d)
community
5.
___ succession can take hundreds or even thousands of years to develop into a climax community.
a)
Climax
b)
Ecosystem
c)
Primary
d)
Secondary
6.
Succession that occurs after a forest fire is an example of ____.
a)
primary succession
b)
ecosystem succession
c)
secondary succession
d)
no soil
7.
What type of succession begins only when there is no soil?
a)
climax
b)
primary
c)
secondary
d)
intermediate
8.
A community that tends to remain the same and is in the final stage of succession is a/n
a)
ecosystem
b)
pioneer community
c)
climax community
d)
bioregion
9.
The more biodiversity present in an ecosystem, the greater its
a)
temperature
b)
biodiversity
c)
sustainability
d)
age
10.
What is an example of a pioneer species in primary succession?
a)
lichens
b)
mosses
c)
grasses
d)
both a and b
11.
A volcanic eruption would cause an ecosystem to begin
a)
entering a climax community
b)
primary succession
c)
secondary succession
d)
burning everything except the soil
12.
Which type of terrestrial biome usually has the greatest variety of plant and animal species?
a)
tundra
b)
taiga
c)
deciduous forest
d)
rainforest
13.
Name the coldest biome, which features a variety of lichens and mosses and stunted tree growth.
a)
taiga
b)
rainforest
c)
deciduous forest
d)
tundra
14.
A student studying microhabitats went outside to study their front lawn and found many plant and animal species. What tool would be the most appropriate choice for measuring the mass of an earthworm the student found?
a)
meter stick
b)
graduated cylinder
c)
spring scale
d)
triple beam balance
15.
Most of Earth's rainforests are found near the ____.
a)
North pole
b)
Equator
c)
South pole
d)
Prime Meridian
16.
The unique role or job an organism holds in its ecosystem is called a ____.
a)
niche
b)
species
c)
pioneer
d)
career
17.
What type of event would start the process of secondary succession?
a)
volcanic eruption
b)
forest fire
c)
glacier
d)
water level of a lake declining, exposing a new island
18.
Abiotic factors include all of the following except...
a)
water
b)
soil
c)
sunlight
d)
plants
19.
Habitat destruction causes ___.
a)
an increase in biodiversity
b)
ecological succession
c)
a great loss of biodiversity
d)
climax community
20.
____ succession is a longer process, because it begins with ____.
a)
Secondary, no soil
b)
Primary, no trees
c)
Primary, no soil
d)
Secondary, no trees
21.
Which statement is true about both primary and secondary succession?
a)
The aim is to progress to the mature or climax community
b)
Lichens grow on rocks and gradually weather them into soil
c)
Volcanic eruptions can cause the process to begin
d)
A wildfire may cause the process to begin
22.
All of the following could be a pioneer species in either primary or secondary succession except which?
a)
moss
b)
grass
c)
lichen
d)
blueberry bush
23.
Which of these actions presents a danger to biodiversity?
a)
protecting individual species
b)
protecting forests and wetlands
c)
preventing industrial wastes from being dumped in the ocean
d)
polluting a stream with used motor oil
24.
Biodiversity is measured by what two factors?
a)
primary and secondary
b)
richness and evenness
c)
amount and type
d)
richness and type
25.
Compared to secondary succession, primary succession is a much ___ process.
a)
faster
b)
better
c)
slower
d)
cheaper
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