Amplify Natural Selection

What happens to giraffes over generations when they are moved from the wild and placed in the nature preserve?

• Giraffe height becomes shorter.

• Giraffe height becomes taller.

• Giraffe height does not change.

• Giraffe height becomes medium.

Tags

NGSS.MS-LS4-4

NGSS.MS-LS2-4

NGSS.MS-LS1-5

The poison of the newt was a(n) __________________________ against the snakes in the environment.

• generation

• distribution

• non-adaptive trait

• adaptive trait

Tags

NGSS.MS-LS4-4

a trait that makes it more likely that an individual will survive in a specific environment.

• Adaptive Trait

• Nonadaptive trait

• population

• Genergation

Tags

NGSS.MS-LS4-4

the process by which the distribution of traits in a population changes over many generations

• Evolution

• Mutation

• Adaptive Trait

• Natural selection

Tags

NGSS.MS-LS4-4

Which location has guppies with medium spot size as the adaptive trait?

• Population in Brazil

• Population in Venezuela

Tags

NGSS.MS-LS4-4

Which location had short giraffes as the

non-adaptive trait?

• Population in Niger

• Population in Somalia

Tags

NGSS.MS-LS4-4

What change in the environment caused the evolution?

• The amount of large riverbed rocks increased.

• The amount of small riverbed rocks increased.

• The amount of riverbed rocks did not change.

Tags

NGSS.MS-LS4-4

NGSS.MS-LS2-4

Which statement is correct about the evolution of guppies?

• Small spot size was the adaptive trait 40 years ago.

• Medium spot size was the non-adaptive trait last year.

• Guppies evolved from large to medium spot size over time.

• Guppies evolved from medium to large spot size over time.

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-2

What is the change in distribution of traits from the population at time 1 to the population at time 2?

• Thin blubber increased.

• Thick blubber decreased.

• The distribution did not change.

• Thin blubber decreased and thick blubber increased.

Tags

NGSS.MS-LS4-4

Which of the following best describes the role of natural selection in evolution?

• A process that increases genetic diversity

• A mechanism that amplifies beneficial traits

• A method to eliminate all mutations

• A way to create new species instantly

Tags

NGSS.MS-LS4-4