EEOB 2250 Exam 1 Questions and Answers Solved Correctly
What three eons make up the geological time scale? - Answers Archean
Proterozoic
Phanerozoic
What is the time scale of the Paleozoic era? - Answers Cambrian period
Ordovician period
Silurian period
Devonian period
Carboniferous period
Permian period
What is the Time Scale of the Mesozoic Era? - Answers Triassic
Jurassic
Cretaceous
What time period had the appearance of many types of relatively large, mobile animals with hard
skeletal tissues? - Answers Cambrian
What time period had widespread shallow seas; diverse marine life and the first jawless fishes? -
Answers Ordovician
What time period had radiation of jawless fishes, first jawed fishes and first terrestrial plants and
arthropods? - Answers Silurian
What time period had the first forests, radiation of terrestrial arthropods, radiation of jawed fishes, and
the first tetrapods? - Answers Devonian
What time period had radiation of amphibians, radiation of insects, and coalescence of continents? -
Answers Carboniferous
What time period was Pangea formed by the end of, had, widespread dry, interior areas, radiation of
amniotes, mammal lineage was dominant, and massive extinction at the end? - Answers Permian
What time period had a widespread dry interior areas, gymnosperms were dominant, archosaurs (and
dinosaurs) replace mammal lineage as dominant group by the end, had the first pterosaurs and marine
reptiles, and had first true mammals at the end? - Answers Triassic
, What time period had a radiation of dinosaurs, Pangea began to breakup, and had the first birds? -
Answers Jurassic
What time period had further separation of continents, extensive epicontinental seas, a radiation of
angiosperms (flowering plants), a radiation of birds, and a major extinction at the end? - Answers
Cretaceous
What time period had a radiation of mammals? - Answers Cenozoic Era
When was the first fossil dinosaur species described? - Answers 1820s
When was Dinosauria officially recognized? - Answers 1842
Where were many spectacular dinosaur fossils were discovered in the late 1800s? - Answers western
North America
When new material is added to the crust, the sides of plates may form _________ _______. - Answers
spreading zones
When one plate dives below another plate, _________ _____ are formed. - Answers subduction zones
During what period were there several separate continents and one large southern continent
(Gondwana)? - Answers Cambrian (~500my)
During what period did continents begin to coalesce to form the supercontinent Pangea? - Answers
Carboniferous (~300my)
During what period did Pangea begin to split? - Answers Jurassic (~160my)
By the end of what period did extensive splitting of continents occur? - Answers Cretaceous (~65my)
What is it called when calcium phosphate precipitates in tissue - actual tissue usually lost, leaving
phosphate copy-soft tissue? - Answers phosphatization
What is it called when minerals from groundwater often precipitate in empty organic spaces? - Answers
perimineralization
How can fossils be dated? - Answers by position in strata
What is the study of the circumstances of burial and fossil preservation of organismal remains? -
Answers taphonomy
What is a widely accepted method of determining evolutionary relationships between species where
organisms are grouped into monophyletic groups (i.e., all members share a common ancestor)? -
Answers cladistics (clades)
What are the two resulting lineages that occur at a node (splitting point on a phylogenetic tree)? -
Answers sister taxa
What three eons make up the geological time scale? - Answers Archean
Proterozoic
Phanerozoic
What is the time scale of the Paleozoic era? - Answers Cambrian period
Ordovician period
Silurian period
Devonian period
Carboniferous period
Permian period
What is the Time Scale of the Mesozoic Era? - Answers Triassic
Jurassic
Cretaceous
What time period had the appearance of many types of relatively large, mobile animals with hard
skeletal tissues? - Answers Cambrian
What time period had widespread shallow seas; diverse marine life and the first jawless fishes? -
Answers Ordovician
What time period had radiation of jawless fishes, first jawed fishes and first terrestrial plants and
arthropods? - Answers Silurian
What time period had the first forests, radiation of terrestrial arthropods, radiation of jawed fishes, and
the first tetrapods? - Answers Devonian
What time period had radiation of amphibians, radiation of insects, and coalescence of continents? -
Answers Carboniferous
What time period was Pangea formed by the end of, had, widespread dry, interior areas, radiation of
amniotes, mammal lineage was dominant, and massive extinction at the end? - Answers Permian
What time period had a widespread dry interior areas, gymnosperms were dominant, archosaurs (and
dinosaurs) replace mammal lineage as dominant group by the end, had the first pterosaurs and marine
reptiles, and had first true mammals at the end? - Answers Triassic
, What time period had a radiation of dinosaurs, Pangea began to breakup, and had the first birds? -
Answers Jurassic
What time period had further separation of continents, extensive epicontinental seas, a radiation of
angiosperms (flowering plants), a radiation of birds, and a major extinction at the end? - Answers
Cretaceous
What time period had a radiation of mammals? - Answers Cenozoic Era
When was the first fossil dinosaur species described? - Answers 1820s
When was Dinosauria officially recognized? - Answers 1842
Where were many spectacular dinosaur fossils were discovered in the late 1800s? - Answers western
North America
When new material is added to the crust, the sides of plates may form _________ _______. - Answers
spreading zones
When one plate dives below another plate, _________ _____ are formed. - Answers subduction zones
During what period were there several separate continents and one large southern continent
(Gondwana)? - Answers Cambrian (~500my)
During what period did continents begin to coalesce to form the supercontinent Pangea? - Answers
Carboniferous (~300my)
During what period did Pangea begin to split? - Answers Jurassic (~160my)
By the end of what period did extensive splitting of continents occur? - Answers Cretaceous (~65my)
What is it called when calcium phosphate precipitates in tissue - actual tissue usually lost, leaving
phosphate copy-soft tissue? - Answers phosphatization
What is it called when minerals from groundwater often precipitate in empty organic spaces? - Answers
perimineralization
How can fossils be dated? - Answers by position in strata
What is the study of the circumstances of burial and fossil preservation of organismal remains? -
Answers taphonomy
What is a widely accepted method of determining evolutionary relationships between species where
organisms are grouped into monophyletic groups (i.e., all members share a common ancestor)? -
Answers cladistics (clades)
What are the two resulting lineages that occur at a node (splitting point on a phylogenetic tree)? -
Answers sister taxa
