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Ecology
Test Description: Questions about ecology
Instructions: Answer all questions to get your test result.
1) Which phrase best describes an ecosystem?
A
all the living things in a specific location
B
living organisms and nonliving materials interacting in a specific location
C
all the nonliving things in a specific location
D
some nonliving materials passing through a living organism in a specific location
2) Which statement is best characeristic of an ecosystem?
A
It must have organisms that carry out autotrophic nutrition
B
It always has two autrophs occupying the same niche
C
It must have producers and consumers, but not decomposers
D
It is stable because it has consumers to recycle energy
3) Which is a biotic factor in the environment of fresh-water fish?
A
the temperature of the water
B
the algae growing in the water
C
the mud on the bottom of the pond
D
the amount of light penetrating the water
4) Which list includes only abiotic factors?
A
trees, flowering plants, mosses, and ferns
B
soil, water, air, and sunlight
C
humidity, temperature, rodents, and grasses
D
ducks, fish, soil, and water
5) In ecology, a population is defined as
A
the biotic and abiotic factors
B
members of a single species in the biosphere
C
members of a given genus inhabiting a given area
D
members of a single species inhabiting a given area
6) All the red foxes inhabiting a given forest constitute a
A
biome
B
population
C
biosphere
D
community
7) All the plants and animals interacting in a given location nake up a
A
population
B
species
C
ecosystem
D
community
8) Male grizzly bears can maintain territorial control over many square miles. This role as a top predator is known as its
A
ecosystem
B
limiting factor
C
habitat
D
niche
9) For a producer to maintain itself, which factor must be present in its environment?
A
decomposers
B
sunlight
C
carnivores
D
herbivores
10) Which contain the most energy?
A
producers
B
primary consumers
C
tertiary consumers
D
secondary consumers
*select an answer for all questions
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