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 form clearly showing the outside features of the organism
cast
formed or shaped within the mold
imprint
a fossil created by 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 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 ecologist processes.
Erosion (takes it)
The process of carrying away rocks
Weathering (breaks it)
A natural process that slowly breaks apart rocks
Gravity (drops it)
an invisible force that pulls objects toward each other