11 questions
The preserved remains or evidence of ancient living things...
clay
fossils
igneous rocks
silt
The idea that conditions on Earth change in quick, violent events...
catastrophism
uniformitarianism
The idea that geologic processes occurring today have occurred in the past...
catastrophism
uniformitarianism
How do fossils form?
An organisms is rapidly buried. The sediments and minerals replace the tissues.
An organism is buried slowly. Only bones can become fossils
Which is a mold?
the impression left by an organism
a copy of the organism, like a statue
Which is a cast?
the impression in a rock left by the organism
a copy of the organisms made of sediment
Coal is the carbon left over from plants in between rock layers. Is coal technically a fossil?
yes
no
Who studies ancient environments?
biologists
specialologists
paleontologists
scientologists
What can we learn about by looking at fossils? (Choose 2)
They're really cool.
They are evidence of ancient environments.
They can show how sea level rise could happen.
We can't learn anything by studying fossils.
A scientist finds footprints in a fossilized stream bed. This is a ________.
carbon film
mineral replacement
cast fossil
trace fossil
Fossils could provide evidence for....
relationships between past organisms and current organisms
past organisms only
current organisms only