Patterns in Evolution

Adaptive radiation is a rapid increase in the number of species from a single common ancestor.

• Adaptive Ratiation

• Allopatric Speciation

• Convergent Evolution

• Gradualism

Tags

NGSS.MS-LS4-4

Which of the following have a similar structures but have a different function in each organism?

• A dolphin fin and a shark fin

• Human fingernails and monkey fingernails

• Front leg of a cat and the wing of a bat

• The wing of a bumble bee and the wing of a bird

Tags

NGSS.MS-LS4-2

Which of these claims is most likely true of two species that share a recent common ancestor?

• The two species have different developmental patterns

• The two species have similar arms and legs

• The two species share DNA sequences

• The ancestors of each species looked very different

Tags

NGSS.MS-LS4-2

Which of the following best describes the tiny legs whales have?

• structures that grow and improve in function as they are used

• structures that function at certain times of the year

• structures that will become adaptations when the environment changes

• structures that have lost all or most of their function over time

Tags

NGSS.MS-LS4-2

Humans breed dogs for certain traits. What is this practice called?

• variation

• adaptation

• natural selection

• artificial selection

Which of these descriptions is an example of an unused body structure?

• a bat’s wing that enables it to fly

• the tiny leg bones found in snakes that have no legs

• the front legs of a dog that supports its weight as it walks and runs

• the tentacles of an octopus that aid it in movement and catching prey

What type of evidence did was most likely use to reach his conclusion of species with similar DNA are closely related?

• fossil evidence

• structural evidence

• genetic evidence

• evidence from developmental patterns

Tags

NGSS.MS-LS3-1

NGSS.MS-LS3-2

Which evidence show patterns of change in organisms from early life to modern life?

• homologous structures

• transitional fossils

• vestigial structures

• proteins

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The picture shows a/an ___________

• homologous structure

• vestigial structure

Tags

NGSS.MS-LS4-2

Which structure is shown in the picture?

• analogous structure

• homologous structure

• vestigial structure

• DNA

Tags

NGSS.MS-LS4-2