Types of Fossils
T/F: Fossils are only made up of bones.
FALSE!
What is the current eon called
What is the Phanerozoic Era?
How many major extinction events did we learn about?
5
What is the process in which organisms are preserved in tree resin
What is amber preservation?
What famous fossilized dinosaur is dispalyed at the field museum in chicago?
sue the trex
This originates when remains decay after being buried in sediment
casts and molds
Name the 3 eras within the phanerozoic eon
Paleozoic, mesozoic, cenozoic
the extincition event that wiped out the non-avian dinosaurs was
what is the K-pg Extinction (cretaceous-palogene)
What term describes the study of how organisms decay and become fossilized?
What is taphonomy?
The __________ is known for its well-reserved cambrian fossils in British Columbia Canada
Burgess Shale
Fossilized footprints are an example of what type of fossil?
Trace fossils aka ischnofossils
This period is marked by a rapid explosion and sudden increase in complex life forms and animals
What is the cambrian period?
Which extinction event was the most sever, wiping out 96% of marine species?
What is the permian-trassic extinction?
Name a condition that increases the likelihood of fossilization
rapid burial, low oxygen environments
What fossil is known as the key transitional species between fish and tretrapods
What is tiktaalik
Which type of fossil is created when the original material is changed to minerals?
What is a replacement fossil?
What is the ordovician period?
What likely caused the K-Pg extinction event?
WHat is an asteroid impact?
What type of fossilization preserves the orginal hard parts like bones and shells without change?
What is mineralization?
What term is used for fossils that are useful for dating and correlating the age of rock layers?
Index fossils
Name the type of fossil where the organism is preserved in its original form with littl eor no change
What are unaltered remains?
WHich period is characterized by the appearance of the first mammals
what is the triassic period?
What event marked the end of the period in which the first land plants appeared?
What is the ordovician-silurian extinction?
What fossil is left when minerals fill a mold left by an organism?
Cast fossil
List the types of biases in the fossil record
geography bias, abundance bias, taxonomic bias, temporal bias