Age
How old is the oldest fossil?
(Within 500 million years)
Microbial mat fossils in 3.48 billion year old sand stone in Western Australia.
What are bones, teeth, and claws considered?
The hard parts.
Are the layers older or younger as they get deeper?
Older.
Is a fossil smaller than it's normal body.
Yes and no because it does not have it's flesh. But if it is a shell or plant it never had flesh.
Who uncovers and studies fossils?
(DAILY DOUBLE)
Paleontologists.
What is used to find the age of a fossil?
The fossil record.
Are claws fossils?
Claws can be fossilized but nails cannot.
What are layers made up of?
Sedimentary rock.
What type of organisms get trapped in amber and are they small?
(DAILY DOUBLE)
Insects, and yes they were pretty small compared to other organisms.
What is the definition of a fossil?
The preserved remains or traces of a fossil.
How is the relative age of fossils determined?
Relative dating is determined by a fossils approximate age by comparing it to similar rocks and fossils of known ages.
What were the earliest organisms that turned into fossils?
Cyanobacteria was the fist fossil that scientists have uncovered?
What is a layer of sedimentary rock called?
(DAILY DOUBLE)
Bed or strata.
Were the earlier fossils bigger or smaller?
The earlier fossils were smaller.
What do organisms get trapped in besides amber?
Ice and tar.
How is the absolute age of a fossil determined?
Absolute dating is used to determine a precise age of a fossil by using radiometric dating to measure the decay of isotopes, either within the fossil or more often the rocks associated with it.
What eras did dinosaurs live in?
(DAILY DOUBLE)
The Mesozoic which is made of the Triassic, Jurassic, and the Cretaceous.
How long does it take for sedimentary rock to form?
Millions of years.
How big is the gravel in sedimentary rock?
(Within one mm)
2mm.
What era was Ms. Wakeham roaming the earth in?
Scientists think it was the Mesozoic.
Is Ms. Wakeham old enough to be a fossil?
(DAILY DOUBLE)
The world may never know.
What is one animal that lived in the Mesozoic that is still alive today?
Sharks, crabs, bees, crocodiles.
How is sedimentary rock formed?
Erosion, transportation, deposition, compaction.
What is the largest fossil ever found?
Tyrannosaurus rex fossil.
What form of fossilization best preserves an organism?
Carbonization, carbonized organisms can be so well preserved, even details like the patterns or colors of skin or leaves can remain.