Changes Over Time Vocabulary

a change or the process of change by which an organism or species becomes better suited to its environment

• adaptation

• relative dating

• evolution

• natural selection

Tags

NGSS.MS-LS4-4

an object made by shaping molten metal or a similar material in a mold

• cast

• mold

• fossil

• variation

the change in characteristics of a species over several generations and relies on the process of natural selection

• evolution

• natural select

• scientific theory

• adaptation

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

no longer in existence

• extinct

• fossil

• half-life

• species

Tags

NGSS.MS-LS4-1

the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock

• fossil

• cast

• mold

• species

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

a group of fossils which has been analyzed and arranged chronologically and in taxonomic order

• fossil record

• branching tree

• relative dating

• vestigial structure

Tags

NGSS.MS-LS4-1

a policy of reform that is not sudden

• gradualism

• natural selection

• evolution

• variation

the time required for any specific property to decrease by half

• half-life

• evolution

• gradualism

• adaptation

Tags

NGSS.HS-PS1-8

an example of an organ or bone that appears in different animals

• homologous structures

• fossil

• variation

• mold

Tags

NGSS.MS-LS4-2

a hollow container used to give shape to molten or hot liquid material (such as wax or metal) when it cools and hardens

• mold

• fossil

• cast

• evolution

Tags

NGSS.MS-ETS1-1