Evolution Phylogeny

What would you label D?

• Opposable Thumbs

• Body Hair

• Lays Eggs

• Lungs

Tags

NGSS.MS-LS4-2

Which evidence would be the most accurate when developing a cladogram?

• morphological

• molecular

• ecological

• fossil

Tags

NGSS.MS-LS3-1

On a phylogenetic tree, what do the branch lengths represent?

• The age of the organisms

• amount of genetic change since divergence

• amount of genetic change since convergence

• The age of divergence

remnant of a structure that may have had an important function in a species' ancestors, but has no clear function in the modern species.

• homologous structure

• analogous structure

• vestigial structure

Tags

NGSS.HS-LS4-2

Charles Darwin’s observation that finches of different species on the Galápagos Islands have many similar physical characteristics supports the hypothesis that these finches

• have the ability to interbreed.
  have the ability to interbreed.

• acquired traits through use and disuse.

• all eat the same type of food.

• descended from a common ancestor.

Tags

NGSS.MS-LS4-2

what did Charles Darwin observe in finch populations of the Galapagos Islands off the coast of South America?

• different species on different islands

• all species on one of the islands

• identical species on all the islands

• the same species as North America

Tags

NGSS.MS-LS4-2

Where did Charles Darwin travel to?

• Australia

• Barbados

• Galapagos 

• Trinidad

What does evolution mean?

• To change something

• To change and adapt over time

• To lose some original features

• To improve ssomething over time

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

model that uses comparisons of DNA sequences to estimate phylogeny and rate of evolutionary change

• molecular clock

• evolution

• biogeography

Tags

NGSS.MS-LS3-1

differences in physical traits of an individual from the group to which it belongs

• adaptation

• variation

• homologous structure

Tags

NGSS.MS-LS4-4