Evolution and Natural Selection

How does environmental change influence evolution?

• It has no effect on evolution.

• It can create new challenges and opportunities, leading to natural selection and potentially driving evolutionary change.

• It only affects the physical characteristics of organisms.

• It leads to immediate extinction of all species.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

NGSS.HS-LS4-5

What is evolution?

• A process where species remain unchanged over time.

• A method of genetic engineering to create new species.

• The process through which species change over time through genetic variation and natural selection.

• A theory that suggests species are created by divine intervention.

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

NGSS.HS-LS4-4

NGSS.HS-LS4-5

True or False: Individuals undergo evolution.

• True

• False

• Evolution occurs at the individual level.

• Individuals can evolve over time.

What is the significance of genetic variation in evolution?

• It has no impact on evolution.

• It provides the raw material for natural selection to act upon.

• It leads to the extinction of species.

• It ensures that all individuals in a population are identical.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

What is the role of mutations in evolution?

• Mutations are changes in DNA that can create new traits, providing the genetic variation necessary for evolution.

• Mutations are harmful changes that always lead to extinction.

• Mutations have no impact on the genetic variation of a species.

• Mutations are only beneficial in a controlled laboratory environment.

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

NGSS.HS-LS4-4

What is stabilizing selection?

• A type of natural selection that favors extreme phenotypes and increases variation.

• A type of natural selection that favors average phenotypes and reduces variation.

• A process that leads to the extinction of certain species.

• A mechanism that promotes genetic drift in small populations.

Tags

NGSS.HS-LS4-3

NGSS.HS-LS4-4

What evidence supports the theory of evolution?

• Fossil records, comparative anatomy, molecular biology, and biogeography.

• Only fossil records and comparative anatomy.

• Molecular biology and climate change evidence.

• Biogeography and geological formations.

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

What is directional selection?

• A type of natural selection that favors one extreme phenotype over the mean or other extreme phenotypes.

• A process that eliminates all phenotypes equally regardless of their traits.

• A form of selection that promotes genetic diversity within a population.

• A mechanism that leads to the extinction of species by favoring weaker traits.

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-5

What is speciation?

• The process by which new species arise from existing species.

• A method of classifying organisms based on their physical characteristics.

• The study of how species interact with their environment.

• A technique used to preserve endangered species.

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-5

What is natural selection?

• A process where organisms evolve into new species over time.

• A mechanism by which organisms better adapted to their environment tend to survive and produce more offspring.

• A theory that explains the origin of life on Earth.

• A method of breeding plants and animals for desired traits.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4