FES 445 Final EXAM WITH ANSWERS
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Facilitation - CORRECT ANSWERS ✔✔Colonists modify the
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environment-Becomes less suitable for themselves, more suitable |\ |\ |\ |\ |\ |\
for other organisms
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•Community composition becomes somewhat stable with time as |\ |\ |\ |\ |\ |\ |\
environmental changes slow down
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Inhibition - CORRECT ANSWERS ✔✔First organisms to reach a site
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prevent the establishment of others
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Allelopathy - CORRECT ANSWERS ✔✔plants produce chemicals
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that are harmful to other plants
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Keystone species - CORRECT ANSWERS ✔✔A species that plays a
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dominant role in influencing microclimate or species interactions,
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or both
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Biogeochemical cycles - CORRECT ANSWERS ✔✔Describe the |\ |\ |\ |\ |\ |\ |\
transfers of chemicals between ecosystem compartments -
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biological and physical |\ |\
Biogeochemical cycles example - CORRECT ANSWERS |\ |\ |\ |\ |\ |\
✔✔hydrologic
nutrient
, nitrogen cycle - CORRECT ANSWERS ✔✔The transfer of nitrogen
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from the atmosphere to the soil, to living organisms, and back to
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the atmosphere |\
carbon cycle - CORRECT ANSWERS ✔✔The organic circulation of
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carbon from the atmosphere into organisms and back again
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phosphorus cycle - CORRECT ANSWERS ✔✔The movement of |\ |\ |\ |\ |\ |\ |\ |\
phosphorus atoms from rocks through the biosphere and |\ |\ |\ |\ |\ |\ |\ |\
hydrosphere and back to rocks. |\ |\ |\ |\
How does P cycle differ from N and C cycle - CORRECT ANSWERS
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✔✔atmosphere plays only a small part in the P cycle unlike the N |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
and C cycles
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Landscape mosaic - CORRECT ANSWERS ✔✔a region composed |\ |\ |\ |\ |\ |\ |\ |\
of different communities
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Patch - CORRECT ANSWERS ✔✔a small area, distinct in form and
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
composition from surroundings |\ |\
Matrix - CORRECT ANSWERS ✔✔arger area surrounding a patch
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Corridor - CORRECT ANSWERS ✔✔passageway linking patches in
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a matrix
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Edge habitat - CORRECT ANSWERS ✔✔
|\ |\ |\ |\ |\
|\ |\ |\ |\ |\
Facilitation - CORRECT ANSWERS ✔✔Colonists modify the
|\ |\ |\ |\ |\ |\ |\
environment-Becomes less suitable for themselves, more suitable |\ |\ |\ |\ |\ |\
for other organisms
|\ |\ |\
•Community composition becomes somewhat stable with time as |\ |\ |\ |\ |\ |\ |\
environmental changes slow down
|\ |\ |\ |\
Inhibition - CORRECT ANSWERS ✔✔First organisms to reach a site
|\ |\ |\ |\ |\ |\ |\ |\ |\
prevent the establishment of others
|\ |\ |\ |\ |\
Allelopathy - CORRECT ANSWERS ✔✔plants produce chemicals
|\ |\ |\ |\ |\ |\ |\
that are harmful to other plants
|\ |\ |\ |\ |\
Keystone species - CORRECT ANSWERS ✔✔A species that plays a
|\ |\ |\ |\ |\ |\ |\ |\ |\
dominant role in influencing microclimate or species interactions,
|\ |\ |\ |\ |\ |\ |\ |\
or both
|\ |\
Biogeochemical cycles - CORRECT ANSWERS ✔✔Describe the |\ |\ |\ |\ |\ |\ |\
transfers of chemicals between ecosystem compartments -
|\ |\ |\ |\ |\ |\ |\
biological and physical |\ |\
Biogeochemical cycles example - CORRECT ANSWERS |\ |\ |\ |\ |\ |\
✔✔hydrologic
nutrient
, nitrogen cycle - CORRECT ANSWERS ✔✔The transfer of nitrogen
|\ |\ |\ |\ |\ |\ |\ |\ |\
from the atmosphere to the soil, to living organisms, and back to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the atmosphere |\
carbon cycle - CORRECT ANSWERS ✔✔The organic circulation of
|\ |\ |\ |\ |\ |\ |\ |\ |\
carbon from the atmosphere into organisms and back again
|\ |\ |\ |\ |\ |\ |\ |\
phosphorus cycle - CORRECT ANSWERS ✔✔The movement of |\ |\ |\ |\ |\ |\ |\ |\
phosphorus atoms from rocks through the biosphere and |\ |\ |\ |\ |\ |\ |\ |\
hydrosphere and back to rocks. |\ |\ |\ |\
How does P cycle differ from N and C cycle - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔atmosphere plays only a small part in the P cycle unlike the N |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
and C cycles
|\ |\ |\
Landscape mosaic - CORRECT ANSWERS ✔✔a region composed |\ |\ |\ |\ |\ |\ |\ |\
of different communities
|\ |\
Patch - CORRECT ANSWERS ✔✔a small area, distinct in form and
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
composition from surroundings |\ |\
Matrix - CORRECT ANSWERS ✔✔arger area surrounding a patch
|\ |\ |\ |\ |\ |\ |\ |\
Corridor - CORRECT ANSWERS ✔✔passageway linking patches in
|\ |\ |\ |\ |\ |\ |\ |\
a matrix
|\
Edge habitat - CORRECT ANSWERS ✔✔
|\ |\ |\ |\ |\
