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Population Ecology
Test Description: Chapter 13- 14
Instructions: Answer all questions to get your test result.
1) Organisms that can convert energy from the sun into living tissue are called
A
Heterotrophs
B
Carnivores
C
Parasites
D
Autotrophs
2) In the biosphere, energy flows through
A
Consumers to producers to decomposers
B
Producers to decomposers to consumers
C
Producers to consumers to decomposers
D
Decomposers to consumers to producers
3) The percentage of energy that can flow from one trophic level to the next is about
A
100%
B
1%
C
10%
D
50%
4) All of the organisms in an ecosystem are linked together into complex networks based on who eats whom, called
A
Food Chain
B
Trophic Level
C
Food Web
D
Energy Pyramid
5) Animals that eat only other animals are called
A
Producers
B
Carnivores
C
Herbavoirs
D
Omnivores
6) Organisms such as bacteria and fungi, which breakdown dead tissue and release nutrients are known as
A
Producer
B
Omnivore
C
Decomposer
D
Carnivore
7) When an ecosystem is limited by a single nutrient that is either scarce or cycles very slowly, this substance is called a (an)
A
Limiting Factor
B
Nitrogen Compund
C
Nutrient Cycle
D
Carbon Compund
8) What is a population?
A
rapid growth that takes place when a population lives with ideal condition
B
Group of organisms of the same species that lives in a given area
C
Change in population size
D
Largest number of individuals that can be supported by a given environment
9) The largest number of individuals that can be supported by a given environment is called the
A
Exponential Population Growth
B
Carrying Capacity
C
Zero Population Growth
D
Growth Rate
10) A Density-dependent limiting factor
A
is an organism that acts as a density-dependant limiting factor
B
includes examples such as weather and spraying insecticides
C
is more likely to limit the growth of a population regardless of their density
D
more likely to limit the growth of large, dense populations
*select an answer for all questions
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