When we look at how similar or different the structures of different species are
Evolution
Comparative Anatomy
Embryology
Vestigial Structures
Comparative Anatomy
Many seashells form these type of fossils.
Cast fossil
In order to form a fossil, an organism must usually have this done in order to prevent decaying of entire body.
Die and buried
Generally speaking, the deeper a fossil is found in the Earth the...
Weirder it is
Younger it is
Older it is
Smaller it is
Older it is
The slow change in species over time is called
Evolution
Comparative Anatomy
Embryology
Vestigial Structures
Evolution
Tree sap that preserves an animal
Amber
When you have a replica of a fossil that is made from hardened sediment
Cast
Mold
Permineralization/petrification
Preserved remains
Cast
How old is the Earth?
1.6 million years old
4.5 million years old
4.5 billion years old
17 billion years old
4.5 billion years old
Which is NOT a piece of evidence that supports Continental Drift?
The same fossils found on different continents
Similar mountains that stretch from North America to Europe
The outlines of the continents look like they fit together
Human Footprints found on different continents
Human Footprints found on different continents
Fossils of amphibians, insects and lizards are found in a particular layer. What does this say about the environment?
It was a desert
It was a forest
It was an ocean
It was a swamp
It was a swamp
When an organism is buried and harder minerals replace softer ones, usually in bones or trees.
Cast
Mold
Permineralization/petrification
Preserved remains
Permineralization/petrification
9. The process scientists use to date fossils by looking for specific fossils in the same layer that were around for a short period of time.
Absolute dating
Geologic timescale
Index fossils
Relative dating
Index fossils
The theory that all the continents were once one large one called Pangea
Plate Tectonics
The Pangea Theory
Continental Drift
The Ring of Fire
Continental Drift
All the following are trace fossils EXCEPT…
Gastroliths (stomach stones ) from a triceratops
Coprolites (fossilized feces) from a giant ground sloth
A protoceratops nest
Megalodon teeth
Oviraptor eggshells
Megalodon teeth
An organism is buried under sediment, then decays, leaving behind an empty cavity.
Cast
Mold
Permineralization/petrification
Preserved remains
Mold
The process scientists use to date fossils by comparing their layer in the earth with those above and below. The deeper it is, the older.
Absolute dating
Geologic timescale
Index fossils
Relative dating
Relative dating
Which is the best piece of evidence scientist use when deciding if a bird evolved from a dinosaur?
DNA structures
Comparative Anatomy
Embryology
What the internet says
DNA structures
A body fossil would be all of the following EXCEPT…
A frog trapped in amber
Broken dinosaur eggshells
A mummified finger
A skeleton of a newt
A cave bear frozen in the ice
Broken dinosaur eggshells
When a fossil is created by being trapped in amber, frozen or mummified, it is know as…
Cast
Mold
Permineralization/petrification
Preserved remains
Preserved remains
The process scientists use to date a fossil using Carbon-14 or other radioactive elements
Absolute dating
Geologic timescale
Index fossils
Relative dating
Absolute dating