EOC Biology

___ are mistakes in the DNA that cause variation within a species.

• mutations

• adaptations

• speciations

• isolations

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

The evolution of a new species from an existing species is ____.

• natural selection

• isolation

• speciation

• genetic variation

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-5

Organisms with the most beneficial traits will survive.  This is commonly known as ___.

• theory of evolution

• variations
  

• survival of the fittest

• ecosystems
  

Tags

NGSS.HS-LS4-3

NGSS.HS-LS4-4

Most organisms have more offspring than will survive 

• True

• False

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

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

• Sympatric

• Allopatric

• Extreme

• Convergent

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-LS4-1

NGSS.HS-LS4-2

NGSS.HS-LS4-4

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

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

• Temporal

• Mechanical

• Behavioral

• Geographic

What is a mass extinction?

• When all the species in a particular area on earth suddenly go extinct

• When multiple species from all over the earth suddenly go extinct 

• When one species goes extinct due to habitat changes

• When all life on earth is wiped out 

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-5

To be a species, a group of organisms must be able to ...

• experience gene flow.

• interbreed.

• produce infertile offspring.

• move and breathe oxygen.