Evidence and Factors of Evolution

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-LS4-3

Two organisms that are closely related would have

• very similar DNA sequence
• exactly the same DNA sequences
• no proteins in common
• completely different DNA sequence

Tags

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

Predict which moth would increase in population

• light 
• dark

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

Scientists compare organisms' DNA to support the theory that all species share a common _________________

• separation
• ancestor
• population
• environment

Tags

NGSS.MS-LS4-2

Recently, scientists have been able to use ___________to find common proteins and amino acids to determine how closely related species are.

• DNA

• Vestigial structures

• Fossils

• Homologous structures

Tags

NGSS.MS-LS4-2

Which of the following is an example of a vestigial structure?

• the wings of a red-tailed hawk
• the hind limbs of a house cat
• the fins of sharks
• the tailbone of a human

Tags

NGSS.MS-LS4-2

When every organism of a species has died.

• Evolution
• Natural Selection
• Extinction
• Artificial Selection

Tags

NGSS.MS-LS4-1

Where the better adapted organisms survive to pass traits along to offspring.

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

Tags

NGSS.MS-LS4-4