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Ecology 1
Test Description: Food chains, food webs, levels of organization
Instructions: Answer all questions to get your test result.
1) The branch of biology dealing with interactions among organisms and between organisms and their environment is called
A
economy
B
ecology
C
recycling
D
modeling
2) The combined portions of Earth in which all living things exist is called the
A
population
B
community
C
biosphere
D
biome
3) All of the members of a particular species that live in one area are called a (an)
A
a community
B
a species
C
an ecosystem
D
a population
4) The simplest grouping of more than one kind of organism in the biosphere is
A
a species
B
a community
C
a population
D
an ecosystem
5) The algae at the beginning of the food chain is a(n)
A
producer
B
decomposer
C
consumer
D
heterotroph
6) An organism that uses energy to produce its own food supply from inorganic compounds is called a (an)
A
detritivore
B
consumer
C
a heterotroph
D
autotroph
7) The total amount of living tissue within a given trophic level is called the
A
organic mass
B
energy mass
C
trophic mass
D
biomass
8) What is an ecological model of the relationships that form a network of complex interactions among organisms in a community from producers to decomposers?
A
an ecosystem
B
food web
C
spider web
D
a population
9) What animals eat both producers and consumers?
A
chemotrophs
B
autotrophs
C
omnivores
D
herbivores
10) A snake that eats a frog that has eaten an insect that fed on a plant is a
A
second-level consumer
B
first-level producer
C
third-level consumer
D
first-level consumer
*select an answer for all questions
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