6.3 Evolution

Body parts that are similar in structure and position but different in function

• vestigial structures

• analogous structures

• homologous structures

Tags

NGSS.MS-LS4-2

Body parts that have lost their original function through evolution

• vestigial structures

• analogous structures

• homologous structures

Tags

NGSS.MS-LS4-2

Body parts that are similar in function but different in structure

• vestigial structures

• analogous structures

• homologous structures

Study of the similarities and differences among structures of living species

• embryology

• molecular biology

• comparative anatomy

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Study of gene structure and function

• embryology

• molecular biology

• comparative anatomy

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Study of embryos from fertilization to birth

• embryology

• molecular biology

• comparative anatomy

Tags

NGSS.MS-LS4-3

Which statement is not a theory about how change occurs in species?

• change happens in quick bursts

• change happens in a slow, steady way

• change happens only when a species becomes extinct

Tags

NGSS.MS-LS4-4

Why is the formation of new species difficult to study?

• species formation occurs too rapidly to be observed

• the fossil record of species formation is incomplete

• evidence of species formation has not been discovered

Tags

NGSS.MS-LS4-1

Insect wings and bird wings are examples of

• vestigial structures

• analogous structures

• homologous structures

Tags

NGSS.MS-LS4-2

Which structure is homologous to the human arm?

• fish's fin

• bat's wing

• bird's bill

• insect's wing

Tags

NGSS.MS-LS4-2