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WorksheetsS7L4 Review
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
The relationship between two members of a community in which one member harms another by its presence is
a)
commensalism
b)
parasitism
c)
dependency
d)
mutualism
2.
Each species in a community has its own _________, or place, as a member of the community.
a)
ecosystem
b)
niche
c)
habitat
d)
kingdom
3.
Things that restrict the growth of a population are called
a)
negative factors
b)
selective factors
c)
predators
d)
limiting factors
4.
The abiotic factors in an ecosystem are
a)
decomposers
b)
living
c)
non-living
d)
photosynthetic
5.
A symbiotic relationship means
a)
the energy cycle is not involved
b)
no one benefits
c)
the solar system is involved
d)
one or both parties benefit
6.
Many types of bacteria obtain nutrition from dead plants and animals and, in turn, recycle elements such as carbon and nitrogen. These bacteria are
a)
producers
b)
virises
c)
carnivores
d)
decomposers
7.
A seventh-grade student goes to visit his cousin. After arriving, the student observes strangler figs, orchids, primates and sloths. What biome is this student most likely visiting?
a)
tundra
b)
grassland
c)
rainforest
d)
deciduous forest
8.
In a particular biome, rainfall is medium and summer temperatures average about 12C(54F). This is a description of this biome's _____________factors.
a)
biotic
b)
abiotic
c)
population
d)
biotic and abiotic
9.
How do animals lose energy to the environment ?
a)
By eating other organims
b)
By living as a colony with other organisms
c)
As body heat
d)
By growing larger
10.
A particular biome is dominated by broadleaf trees that change color in autumn. What biome is this?
a)
tundra
b)
grasslands
c)
rainforest
d)
deciduous forest
11.
The number of individuals a given environment can support is called the
a)
limiting factor
b)
carrying capacity
c)
density dependent
d)
ecosystem
12.
One characteristic feature of the tunndra is that only the surface thaws in the summer and refreezes in winter, leaving a layer of permanently frozen subsoil. This characteristic is known as
a)
glaciation
b)
permafrost
c)
crystallization
13.
Which major biome is home to cacti, small reptiles, and coyotes?
a)
tundra
b)
taiga
c)
grassland
d)
desert
14.
During what process is rock slowly transformed into soil?
a)
photosynthesis
b)
primary succession
c)
secondary succession
15.
Fungi provide vital protection and moisture to algae plants; the algae nourish the fungi with phtosynthetic nutrients that keep them alive. This organism interaction is an example of
a)
commensalism
b)
parasitism
c)
mutualism
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