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WorksheetsSEV1a - Ecosystems & Levels of Organization
Total questions: 17
Worksheet time: 10mins
Name
Class
Date
1.
All of the organisms living in an area together with their physical environment.
a)
community
b)
ecosystem
c)
habitat
d)
population
2.
The nonliving parts of the ecosystem.
a)
biotic
b)
abiotic
c)
habitat
d)
niche
3.
The living and once living parts of the ecosystem.
a)
biotic
b)
abiotic
c)
habitat
d)
niche
4.
An individual living thing.
a)
niche
b)
habitat
c)
species
d)
organism
5.
A group of organisms that can mate to produce fertile offspring.
a)
organism
b)
species
c)
habitat
d)
niche
6.
All the members of the same species that live in the same place at the same time.
a)
organism
b)
community
c)
population
d)
habitat
7.
A group of various species that live in the same place and interact with each other.
a)
niche
b)
habitat
c)
species
d)
community
8.
The place an organism lives.
a)
habitat
b)
niche
c)
population
d)
species
9.
The role and position a species has in its environment; how it meets its needs for food and shelter, how it survives, and how it reproduces
a)
habitat
b)
population
c)
niche
d)
organism
10.
The process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.
a)
evolution
b)
artificial selection
c)
natural selection
d)
resistance
11.
A process that results in heritable changes in a population spread over many generations.
a)
natural selection
b)
evolution
c)
artificial selection
d)
habitat
12.
The intentional reproduction of individuals in a population that have desirable traits.
a)
artificial selection
b)
species
c)
natural selection
d)
community
13.
The natural or genetic ability of an organism to tolerate a chemical or disease-causing agent.
a)
resistance
b)
evolution
c)
species
d)
community
14.
What happens if a population grows past its carrying capacity?
a)
The population keeps growing
b)
The population starts to die off
c)
The entire species will go extinct
d)
The carrying capacity just increases
15.
What type of growth is represented in this graph?
a)
exponential
b)
logistics
c)
a good kind
d)
representative
16.
What could cause the population of deer in an ecosystem to increase?
a)
Not enough resources were available
b)
Plenty of resources were available
c)
Predation
d)
Mutualism
17.
Will competition increase/decrease the carrying capacity of an ecosystem for the animal in competition?
a)
Decrease
b)
Increase
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