Evolution

Natural selection results in change in a population's _____________ traits over time.

• inherited

• acquired

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-1

A phenotype that improves an organism’s chance of survival in their environment is considered a(n) ____________.

• natural selection

• adaption

• speciation

Tags

NGSS.MS-LS4-4

Which of the following is NOT an example of natural selection?

• People selectively breeding hamsters for size.

• Insect populations developing resistance to certain pesticides.

• Bacteria becoming resistant to antibiotics.

• Male birds of certain species inheriting colorful feathers that are more attractive to females.

Tags

NGSS.MS-LS4-4

How does a species change over time?

• by adapting to the environment

• changes in the gene frequencies in a population

• acquiring new traits

• they do not change

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-2

NGSS.MS-LS4-1

The pelvic bone of whales is not needed for movement within the water. This is an example of a(n) ______________ structure.

• vestigial

• analogous

• homologous

Tags

NGSS.MS-LS4-2

The forelimbs of mammals have similar anatomy because these groups descended from a recent common ancestor. Their bone structure is an example of a(n) ______________ structure.

• vestigial

• analogous

• homologous

Tags

NGSS.MS-LS4-2

Many different groups of organisms have wings, even though they do not share a recent common ancestor. This is because they evolved in environments with similar selective pressures. Wings are an example of a(n) ______________ structure.

• vestigial

• analogous

• homologous

Tags

NGSS.HS-LS4-4

What type of speciation would involve mating during different seasons?

• geographic isolation

• reproductive isolation

• habitat isolation

• gametic isolation

Tags

NGSS.HS-LS4-4

Which best describes the phrase survival of the fittest?

• strongest in a population are most successful

• fastest in a population are most successful

• those that can survive and reproduce are most successful

• those that can live the longest are most successful

Tags

NGSS.MS-LS4-4

NGSS.MS-LS3-1

The disappearance of a species.

• Evolution
• Extinction
• Migration
• Mutation

Tags

NGSS.MS-LS4-1