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BIO 150 Exam 2 questions and answers already solved 2024 $13.49   Add to cart

Exam (elaborations)

BIO 150 Exam 2 questions and answers already solved 2024

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  • Course
  • BIOL 150
  • Institution
  • BIOL 150

BIO 150 Exam 2 questions and answers already solved 2024

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  • November 18, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIOL 150
  • BIOL 150
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LEWISSHAWN55
BIO 150 Exam 2 – Keck Question and
answers 100% correct (8 pgs)
Macroevolution - correct answer ✔Evolutionary change above the species
level
(evolutionary trends)


Biogeography areas if natural science - correct answer ✔-geology
-palentology
-phylogenetics
-ecology


Vicarience - correct answer ✔speciation due to isolation by geographic
separation


biotic factors - correct answer ✔-exploiting novel environment
-dispersal
-competition


abiotic factors - correct answer ✔-climate/climate change
-eustatic events (sea level changes)
-tectonic events (continental shifting)


2 main fields of biogeography - correct answer ✔ecological and historical


ecological biogeography - correct answer ✔how ecological processes that
occur in short periods of time act on distributional patterns of organisms

, historical biogeography - correct answer ✔how processes that occur over
long periods of time influence patterns of geographic distribution.


dispersal - correct answer ✔the movement of organisms from one place to
another


Ordovician event - correct answer ✔-effect on marine life
-extensive glaciation
-fall of sea level
-change in dominance after
-oldest


Devonian event - correct answer ✔-less certain of cause
-sea level change
-lack of oxygen
-eutrophication
-2nd oldest


Permian Event - correct answer ✔-had large insects
-LARGEST EXTINCTION EVENT
-volcanic
-meteorite
-anoxic (water depleted on oxygen)
-3rd


Triassic event - correct answer ✔-mostly on terrestrials

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