Unit 07.1 Vocabulary

A new species or group of organisms appears suddenly in the fossil record, often within a relatively short geological time frame.

• Abrupt appearance
• Evolution
• Population
• Fossils

Tags

NGSS.MS-LS4-1

Structures with similar function, but differing anatomical structure that evolved as a result of convergent evolution and do not indicate recent common ancestry.

• Analogous structures
• Fossil record
• Punctuated equilibrium
• Genotypic frequency

The study and comparison of similarities in anatomical structures between species of organisms which indicate common ancestry.

• Anatomical homologies
• Fossils
• Rock strata
• Fossil record

Tags

NGSS.MS-LS4-2

An organism or group of organisms from whom a specific species of organisms has descended.

• Ancestor
• Genotypic frequency
• Scientific theory
• Rock strata

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-3

The idea that all living organisms are descended from one or a few original ancestors from whom they inherited specific traits.

• Common ancestry
• Gradualism
• Stasis
• Fossils

Tags

NGSS.MS-LS4-2

An organism that is directly related to a previous ancestral generation

• Descendent
• Homologies
• Transitional fossils
• Fossil record

The available body of factors or information supporting or rejecting a specific scientific theory.

• Evidence
• Homologous structures
• Vestigial structures
• Evolution

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

A change in the allele frequency within a population over many generations.

• Evolution
• Abrupt appearance
• Analogous structures
• Population

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

NGSS.HS-LS4-4

The chronological collection of the preserved remains of organisms in sedimentary rock layers which can show evolutionary changes over time, or be used for relative dating of organisms

• Fossil record
• Analogous structures
• Anatomical homologies
• Punctuated equilibrium

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Preserved parts or traces of animals and plants that lived in the past

• Fossils
• Anatomical homologies
• Common ancestry
• Rock strata

Tags

NGSS.MS-LS4-1