BIO 1 Ecology Question Preview (ID: 34529)
BIO 1.
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All the organisms that live in a place, together with the nonliving environment is a(n)
a) species
b) ecosystem
c) food web
d) ecological pyramid
A group of organisms belonging to the same species and living in a particular area is a
a) population
b) food web
c) species cluster
d) community
The interaction between species in which one species eats the other is
a) mutalism
b) commensalism
c) parastism
d) predation
The source of energy for all life on Earth is
a) carnivores
b) the moon
c) the sun
d) herbivores
A series of steps in which organisms transfer energy by eating and being eaten is
a) parasitism
b) a food chain
c) commensalism
d) a food truck
Which of the following is not a type of ecological pyramid?
a) energy pyramid
b) biomass pyramid
c) species pyramid
d) pyramid of numbers
Primary succession occurs in areas
a) with preexisting soil.
b) that have been plowed under to remove vegetation.
c) with no soil.
d) with large amounts of humus.
Threats to diversity include all of the following EXCEPT
a) hunting species to extinction.
b) introduction of toxic compounds to food webs.
c) maintaining and preserving habitats.
d) introduction of foreign species.
A series of changes in an ecosystem when one community is replaced by another as a result of changes in abiotic and biotic factors is
a) ecological succession
b) ecological continuity
c) ecological disruption
d) ecological pyramids
Carbon is taken up from the atmosphere by
a) insects.
b) plants.
c) animals.
d) bacteria.
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