The term for the formation of new and distinct species over the course of evolution is...

• speciation
• biological species concept
• reproductive barrier
• natural selection

Tags

NGSS.MS-LS4-4

SELECT ALL THAT APPLY: Which of the following must be true in order for organisms to be considered the same species?

• They must be able to mate

• They must be able to produce viable offspring

• They must have structural similaries

• They must have the same bone structure

Which of the following is a term for a group of similar organisms that can reproduce fertile offspring?

• individual
• population
• species
• fossil

Tags

NGSS.MS-LS4-4

If an organism has a vestigial structure, that structure likely once had a function in a(n)

• close relative
• early ancestor
• unrelated organism
• embryological stage

Tags

NGSS.MS-LS4-2

Extinction can occur because of which of the following?

• All can be causes of extinction.
• Increased competition with other species
• New predators within the environment
• Loss of habitat and/or catastrophes

Tags

NGSS.MS-LS4-1

Inherited trait that helps an organism survive is a(n) __________.

• Fossil
• Adaptation
• Ancestor
• Natural selection

Tags

NGSS.MS-LS4-4

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-LS4-1

NGSS.MS-LS4-2

The ability of an organism to survive and reproduce in its specific environment 

• diversity.
• evolution
• adaptation
•  fitness

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-4

The gradual change in species over time is...

• Evolution
• Nucleotide 
• Adaptation
• Natural Selection

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

The natural differences between individuals of a species is called ___________.

• adaptations
• natural selection
• variation
• fitness

Tags

NGSS.MS-LS4-4