Periods and Eras - 1sts
Geology 110 with Byers at University of Wisconsin - Madison
About this deck
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have been getting MUCH better grades on all my tests for school. Flash cards, notes, and quizzes are great on here. Thanks!”
Kathy
Kathy
Sign up (free) to study this.
Eras from oldest to youngest
Paleozoic, Mesozoic, Cenozoic
Periods from oldest to youngest
(Precambrian) Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian, Triassic, Jurassic, Cretaceous, Paleogene, Neogene
Order of the periods within the Paleozoic era (oldest - youngest)
Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian
During which geological period was the Ediacaran fauna?
Precambrian
Which period did the first fish appear in? What was it?
Ostracoderm in the Ordovician
when was the first vertebrate? What was it?
Ordovician, Ostracoderm
First land animals? What and when?
Arthropods, Cambrian
Base of the cambrian = which year?
543 Ma
1st chordate
Pikaia
When was the phylum chordata?
Cambrian
Who discovered Pikaia? Where?
Charles Walcott, in the Burgess Shale
Which geologic period ended with an ice age?
the ordovician
1st land plants
Silurian
Jaws evolved with placoderm
Silurian
Gymnosperms develop
Devonian
bony fish develop
Devonian
Carnivores
devonian
1st amphibians, what was the first?
late devonian, Ichthyostega
Ichthyostega
Devonian (amphibian)
Catskill mts are created
Devonian
Sharks
Devonian
Amphibians crawled on shore
Devonian
BIG increase in O2 in the atmosphere
Carboniferous
1st reptiles
Carboniferous
Ginkgos
broad, fan-lilke leaves, thrive in the cities, popular in Asia, Carboniferous
Put these in order from oldest to youngest: Devonian, Permian, Triassic Jurassic, Silurian, Cambrian
Cambrian, Silurian, Devonian, Permian, Triassic, Jurassic
centipedes and millipedes
Devonian
Pangaea was almost entirely formed by this period
Permian
Mass extinction wipes out 95% of species at the end of this geologic period
Permian
Dinosaurs die out with a mass extinction at the end of this period
Cretaceous
1st reptile egg
permian (eggs are permeable for O2 => Permian period!)
fin back reptiles
permian
therapsids
Permian
Cycads When and what?
Triassic, plants with a large, central cone
Ichthyosaurs (when and what?)
Triassic, they are marine reptiles, dolphin/fish-like in form, give live birth in the ocean
1st mammals
Triassic
1st dinosaurs
Triassic
Archosaurs
Triassic
Angiosperms, when and what?
Cretaceous, flowering plants that are successful because of Alternation of Generations
1st Birds
Jurassic
From what group did the Archaeopteryx come?
Theropods
Archaeopteryx
Jurassic, first bird, feathers
"ancient wing"
1st primates
cretaceous
pollen
cretaceous
Theropods - when and what are they?
Triassic, first dinosaurs, small, bipedal carnivores
Examples of theropods
T-Rex, Deinonychus
Sauropods
largest land animals that ever evolved, long neck, gizzard, 30-80 tons
A group of related species derived from a common ancestor
clade
5 main groups of herbivores
- Sauropods
- Ornithopods
- Ceratopsians
- Ankylosaurs
- Stegosaurs
About this deck
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have been getting MUCH better grades on all my tests for school. Flash cards, notes, and quizzes are great on here. Thanks!”
Kathy
Kathy