thick, slowly flowing liquid produced by plants that can harden into a solid.
What is resin?
Fossils are usually found here.
In sedimentary rock.
Fossils are usually found in sedimentary rock because
Igneous rock and Metamorphic rock require heat and/or pressure which usually destroys the organic substances.
preserved remains of something once living
fossil
Most of the fossil record is made of.
hard shelled clams or other shellfish
If a plant is fossilized, which fossil type will it most likely be?
Carbonized remains
when organic material is converted to rock
Petrification
Many fossils we find today are...
either alive today or extinct
Petrification requires water that has a lot of ______ in it.
What is minerals?
once living, now not
What is extinct?
fossils found in one layer may be very different than..
fossils found in another layer
Only a tiny, tiny fraction of the fossils we find are of ___________________________
Why?
What is plants, reptiles, birds, and mammals?
Because they have soft tissue
The view that most of the earth's geological features are the result of slow, gradual processes that have been at work for millions or even billions of years.
What is uniformitarianism?
Which 2 fossil types give the most detail about the original creature?
Trapped in amber and trapped in ice
Unlike fossil casts, petrification preserves what?
What is: The entire fossil (vs. just the shape and outer details of the mold)