A bumble bee has just enough weight to open up the snapdragon flower and get the nectar/pollen inside.  Other insects cannot do this. This adaption is an example of........

• convergent evolution
• co-evolution
• divergent evolution
• speciation

Tags

NGSS.HS-LS4-4

Which best describes punctuated equilibrium?

• Speciation occurs due to natural selection

• Speciation occurs due to isolation

• Speciation occurs slowly in geologic time, followed by long periods with very fast evolutionary change.

• Speciation occurs suddenly and rapidly in geologic time, followed by long periods with little evolutionary change.

Tags

NGSS.HS-LS4-5

The large-scale events of speciation are called...

• macroevolution

• simplification

• adaptation

• microevolution

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-5

Which of the following is required for a population to diverge into two separate species?

• The two populations must have evolved different physical appearances.

• The two populations must have mutated at least 10 times.

• The two populations must have become reproductively isolated.

• The two populations must have evolved analogous structures.

Tags

NGSS.HS-LS4-5

A new river forms and splits two populations, causing ______________ speciation

• Sympatric

• Allopatric

• Extreme

• Convergent

Tags

NGSS.HS-LS4-5

A speciation in which new species evolve from a single ancestral species while inhabiting the SAME geographic region.

• Sympatric speciation

• Allopatric speciation

• Complex speciation

• Divergent speciation

Tags

NGSS.HS-LS4-5

The emergence of new rivers or streams is a type of ____________ isolation.

• Temporal

• Mechanical

• Behavioral

• Geographic

The death of every member of a species

• The flu
• epidemic
• extinct
• population

Tags

NGSS.HS-LS4-5

The hypothesis that evolution of a species occurs gradually over time as a slow and constant process is known as

• speciation
• punctuated equilibrium
• gradualism
• microevolution

Tags

NGSS.HS-LS4-1

Speciation that caused by breeding occurring at different time of the day is called

• behavioral isolation

• temporal isolation

• ecological isolation

• habitat isolation