bio evo Flashcards
fossil
remains or traces of plants or animals that lived a long time ago
extinct
a living thing that is no longer alive anywhere on earth today
paleontologist
a scientist that studies fossils
herbivore
an animal that eats plants
carnivore
an animal that eats meat
omnivore
an animal that eats plants and meat
organisms
any living thing
mold
a hollow fossil form clearly showing the outside features of the organism
cast
formed or shaped within the mold
imprint (impression)
a fossil created by a print or impression
amber
hardened tree sap, often a source of inset fossils
trace fossils
studying trace fossils, we can learn about how animals lived
true form fossils
an actual preserved body of an animal
environmental conditions
a change or disturbance of the environment most often caused by human influences and natural ecological processes
erosion (takes it)
the process of carrying away rocks
weathering (breaks it)
a natural process that slowly breaks apart rock
gravity (drops it)
an invisible force that pulls objects towards eachother