biological evolotion Flashcards
(16 cards)
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
paleontoligist
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
mold
a hollow fossil form clearly showing the outside features of the organism
cast
formed or shaped within the mold
imprint
a fossil created by a print or impression
amber
hardened tree sap often a source or insect fossils
trace fossils
studying trace fossils we can learn about how animals lived
true fossil form
an actual preserved body of an animal
environmental conditions
a change or disturbance of the environment most often cuased by human influences and natural ecological processes
erosion
the process of carrying away rocks
weathering
a natural process that slowly breaks apart rock
gravity
an invisible force that pulls objects towards each other