BIO 182 FINAL EXAM ASU Questions And ANSWERS Latest 2024 Update
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BIO 182 FINRS Lates
Institution
BIO 182 FINRS Lates
BIO 182 FINAL EXAM ASU
Questions And ANSWERS Latest
2024 Update
What is extinction? - ANSWER-The loss or
death of a species
What is mass extinction? - ANSWER-A
decline in biodiversity greater than the
background extinction rate
What is background extinction? - ANSWERBackground exti...
BIO 182 FINAL EXAM ASU
Questions And ANSWERS Latest
2024 Update
,What is extinction? - ANSWER-The loss or
death of a species
What is mass extinction? - ANSWER-A
decline in biodiversity greater than the
background extinction rate
What is background extinction? - ANSWER-
Background extinction occurs when certain
populations are reduced to zero because of
normal environment change, emerging
disease, predation pressure, or competition
with another species
How are mass extinctions detected and how
many have been detected? - ANSWER-
,They're detected geologically, and there
have been 5 detected
What organisms became extinct during the
Pleistocene and Cretaceous and what are
possible causes for these extinctions? -
ANSWER-Pleistocene: Wooly Mammoth,
Giant Short-Faced Bear, Dire Wolf, Giant
Beaver, Shasta Ground Sloth, American Lion
-Could be extinct because of climate change
(warmer temps), human overkill
(predation), pathogens
Cretaceous: Dinosaurs
-Could be extinct because of asteroid
(impact hypothesis)
, What is the evidence to support that there
will be a 6th mass extinction? - ANSWER-
Modern rates of extinction are 100 to 1000
time greater than the background rate
What is overexploitation? - ANSWER--Any
unsustainable removal of wildlife from the
natural environment by use of humans
-Harvesting of organisms at rates exceeding
the species ability to replace itself
-The dominant threat to marine species
-Overhunting
What is habitat destruction? - ANSWER-
Terrestrial Ecosystems: Conversion
agriculture, logging, development and
urbanization
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