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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
recycling
C
modeling
D
ecology
2) The combined portions of Earth in which all living things exist is called the
A
biome
B
community
C
biosphere
D
population
3) All of the members of a particular species that live in one area are called a (an)
A
a species
B
a community
C
an ecosystem
D
a population
4) The simplest grouping of more than one kind of organism in the biosphere is
A
an ecosystem
B
a population
C
a species
D
a community
5) The algae at the beginning of the food chain is a(n)
A
heterotroph
B
decomposer
C
producer
D
consumer
6) An organism that uses energy to produce its own food supply from inorganic compounds is called a (an)
A
a heterotroph
B
autotroph
C
consumer
D
detritivore
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
a population
C
food web
D
spider web
9) What animals eat both producers and consumers?
A
autotrophs
B
omnivores
C
herbivores
D
chemotrophs
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 consumer
C
first-level producer
D
third-level consumer
*select an answer for all questions
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