biological evolution Flashcards
fossil
remains or traces of plants and animals that lived a long time ago
extinct
a living thing that is no longer found 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 both plants and meat
organisms
any living thing
mold
a hollow fossil from 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 or inset fossils
trace fossils
studying trace fossils,we can learn about how animals lived
true form fossil
an actual preserved body of an animal
environmental conditions
a change or disturbance of 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