Structures with the same parts have different functions; suggests that organisms share a common ancestry

• vestigial structures
• homologous structures
• adaptive radiation
• fossil

Tags

NGSS.MS-LS4-2

Study of embryos of various organisms to show a common ancestor because of similarities in development

• natural selection
• embryology
• speciation
• evolution

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Two organisms that are closely related would have

• very similar DNA sequence
• no proteins in common
• completely different DNA sequence

Tags

NGSS.HS-LS3-1

NGSS.HS-LS4-1

What does Darwin's theory of evolution suggest?

• species change over time
• extinct species are not related to living species
• different species can interbreed
• animals that look alike are most closely related

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Some organisms that share a common ancestor have features that have different functions, but similar structures.  These are known as

• vestigial structures
• analogous structures
• homologous structures
• fossil structures

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

If modern organisms have a lot of homologous structures, what inference might paleontologists make about those organisms?

• They are reptiles
• One organism evolved from the other.
• The organisms have a common ancestor

Tags

NGSS.MS-LS4-2

Which is not evidence for evolution?

• many animals have homologous structures due to common ancestry
• Many animals have vestigial structures from an ancestor
• We can observe changes in life forms by observing the fossil record
• All of these are evidence for evolution

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

When all of the organisms of a species have died it is called

• evolution
• extinction
• adaptation
• natural selection

Tags

NGSS.MS-LS4-1

Predict which moth would increase in population

• light 
• dark

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

The diagram illustrates an embryonic stage of two organisms.

Which of the following can be determined by observing the embryos shown in the diagram

• The organisms share a common ancestry.
• The organisms belong to the same genus.
• The organisms are native to the same geographic areas.
• The organisms will grow into anatomically similar adults.

Tags

NGSS.MS-LS4-3