Biological evolution: unity and diversity Flashcards
Remains or traces of plants and animals that lived a long time ago.
Fossil
A living thing that is no longer found alive anywhere on earth today.
Extinct
A scientist that studies fossils.
Paleontologist
An animal that eats plants.
Herbivore
An animal that eats meat.
Carnivore
An animal that eats both plants and meat.
Omnivore
Any living thing.
Organisms
A hollow fossil form clearly showing the outside features of the organism.
Mold
Formed or shaped within the mold.
Cast
A fossil created by a print or impression.
Imprint/impression
Hardened tree sap, often a source or inset fossils.
Amber
Studying trace fossils, we can learn about how animals lived.
Trance fossils
An actual preserved body of an animal.
True form fossil
A change or disturbance of the environment most often caused by human influences and natural ecological processes.
Environmental conditions
The process of carrying away rocks.
Erosion (takes it)
A natural process that slowly breaks apart rock.
Weathering (breaks it)
An invisible force that pulls objects toward each other.
Gravity (drop it)