biological evolution : unity and diversity 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 fossile
herbivore
An animal that eats meat
omnivore
An animal that eats both pants and meat
organisms
Any living thing
mold
A hollow fossile form clearly showing the outside features of the organism
cast
Formed or shaped within the mold
imprint : impression
A fossil created by print or impression
amber
Hardened tree sap often a source or insect fossil
trace fossil
studying trace fossil we can learn about how animals lived
true form fossil
An actual preserved body of an animal
environmental conditions
A change or disturbace of the environment most often caused by human influences and natural ecological processes