the change in characteristics/traits of a species over a long period of time (many generations)

errors in an individual's genetic code (DNA) that leads to changes in the genotype and/or phenotype of that organism

shifting of traits to better align with the environment

anatomy that supports common ancestry (homologous, analogous, and vestigial)

Match the anatomy to its category

Wings on a bat and wings on a bird

Arm of a monkey and arm of a human

Fin on a shark and flipper on a penguin

Wings on a bird and wings on a butterfly

Match the following concepts to the BEST category

A population is divided, resulting in both changing in different ways

Why do scientists study embryos?

Scientists believe that the similarities may provide evidence that the two species share a common ancestor.

Scientists theorize that similar anatomy does not mean similar DNA, therefore they are attempting to reject evolution.

Scientists study embryos to compare them to their adult forms and discuss the differences.

How are the base pairs (A, G, C, T) evidence for evolution?

If two organisms have a lower amount of differences, then they are said to be more closely related

If two organisms have a higher amount of differences, then they are said to be more closely related

If two organisms have a lower amount of similarities, then they are said to be more closely related

If two organisms have completely different base pairs, then they are said to be more closely related

Humans, birds, whales, and lizards all have similar arm bones. What is the reason for this?

The function of these bones is the same in all animals

They live in similar environments

What is the best example of fitness?

A small bird has a very short lifetime, however, she had 10 babies during that time.

A young male lion outcompetes several other young males for food resources.

A cockroach survives a nuclear bomb.

An elephant lives a long, life, having 2 children that survived to adulthood.

What is the best definition of an allele?

An allele is a variant of a gene for a trait.

An allele is a section of DNA that codes for protein.

Alleles control different traits for each gene.

An allele is a similar form of a different gene.

Which of the following is the correct definition of natural selection?

The idea that organisms more well equipped for their environment tend to survive longer.

The idea that organisms less equipped for their environment tend to survive longer.

The idea that organisms more well equipped for their environment tend to not survive.

What does "Survival of the Fittest" mean?

Those who are best adapted to their environment thrive and tend to be favored by evolution due to "natural selection".

An organism is the strongest within its population.

Populations attempt to evolve as fast possible in order to survive.

Survivors with favorable traits

Ability to survive and reproduce

All the alleles within a population

Scorpions today are much smaller than their extinct ancestors. Which of the following conclusions is supported by this information?

Scorpions have changed as a result of natural selection.

Scorpions living today have increased their numbers since they first appeared.

Scorpions in the fossil record are smaller than their descendants are.

Scorpions do not appear in their original state in the fossil record.

What line of evidence for evolution is concerned with the remains of organisms from long ago?

What line of evidence for evolution is concerned with the body structures of organisms?

What line of evidence for evolution is concerned with similarities in DNA, RNA and proteins between organisms?

What line of evidence for evolution is concerned with traits that help an organism survive and reproduce in their specific environment?

What line of evidence for evolution is concerned with the developmental similarities of young embryos?

The bones of the human arm are similar in structure to the bones of a bat wing and a whale flipper. They are thought to have a common origin.

The wings of a bird and the wings of a butterfly have similar functions but are very different in structure. They are NOT thought to have a common origin.

The human appendix and thighbones in snakes seem to have little to no use.

A structural adaptation that allows an animal to blend in with its environment. (Like a walking stick insect)

A structural adaptation in which one organism looks like another organism. Sometimes the other organism is poisonous or bad tasting. Ex. Viceroy butterflies that look like monarchs.

If a layer of rock contains many fossils but the layer above contains none, this may indicate that ________ has taken place.

Based on the biochemical evidence given, which species is most closely related to dogs?

The species that has sequence 1

The species that has sequence 2

The species that has sequence 3

The species that has sequence 4

The species that has sequence 5

Check all that apply: Which of the following are conditions necessary for natural selection to occur?

fitness and ability to adapt varies among individuals

variation in heritable traits among members of the population

population size is very large and no genetic drift

Mutations are important because they bring about

genetic variation needed for a population to evolve

death of the organism in which they develop

benefits for the individual, not for the population

Hardey-Weinberg equilibrium within a population

Which best describes punctuated equilibrium?

Speciation occurs suddenly and rapidly in geologic time, followed by long periods with little evolutionary change.

Speciation occurs due to natural selection

Speciation occurs due to isolation

Speciation occurs slowly in geologic time, followed by long periods with very fast evolutionary change.

What is the difference between gradualism and punctuated equilibrium?

The main difference is the pace of evolution: gradualism is slow and steady, while punctuated equilibrium involves rapid bursts of change followed by periods of stasis.

There is no difference between gradualism and punctuated equilibrium.

Both gradualism and punctuated equilibrium involve rapid bursts of change.

Gradualism involves sudden bursts of change, while punctuated equilibrium is slow and steady.

Homologous structures are bones or organs found in different animals which very closely resemble structures in different organisms. What can you conclude about the past of these organisms?

They all share a common ancestor but have evolved through natural selection

They all have evolved through natural selection but do not use these structures anymore.

They all share a common ancestor but did not evolve from natural selection

Evolution Exam

Authored by ASHLEY PARK

Biology, Science

9th - 12th Grade

NGSS covered

Used 1+ times

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64 questions

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MATCH QUESTION

1 min • 1 pt

Match the following groups to the picture that describes they type of evidence that leads to common ancestry.

Fossil

A trace of an ancient organism that has been preserved in rock.

Biogeography

Study of embryos. The early development the organisms look similar.

Vestigial Structures

Structures in different species that have the same bone structure / different function.

Embryology

A structure that is present that no longer serves its original purpose.

Homologous Structures

Study of the distribution of organisms around the world.

Tags

NGSS.HS-LS4-1

HOTSPOT QUESTION

1 min • 1 pt

Select the image that represents embryology.

Tags

NGSS.HS-LS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The evolution pattern favored by Eldridge and Gould. They believed in long periods of no changed followed by rapid burst of evolutionary change

punctuated equilibrium

divergent evolution

convergent evolution

gradualism

Tags

NGSS.HS-LS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The evolution pattern favored by Darwin. He believed evolution occurred in small changes over a long period of time. This is called ____

punctuated equilibrium

divergent evolution

convergent evolution

gradualism

Tags

NGSS.HS-LS4-2

HOTSPOT QUESTION

1 min • 1 pt

Select the image that represents gradualism.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

NGSS.HS-LS4-1

NGSS.HS-LS4-5

HOTSPOT QUESTION

1 min • 1 pt

Select the image that represents homologous structures.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-1

HOTSPOT QUESTION

1 min • 1 pt

Select the image that represents punctuated equilibrium.

Tags

NGSS.HS-LS4-1

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Evolution Exam

Match the following groups to the picture that describes they type of evidence that leads to common ancestry.

Select the image that represents embryology.

The evolution pattern favored by Eldridge and Gould. They believed in long periods of no changed followed by rapid burst of evolutionary change

The evolution pattern favored by Darwin. He believed evolution occurred in small changes over a long period of time. This is called ____

Select the image that represents gradualism.

Select the image that represents homologous structures.

Select the image that represents punctuated equilibrium.

Select all the images that provide evidence for common ancestry.

According to this image, which organism is LEAST closely related to the baboon? (HINT: differences are circled in red)

Comparing human hemoglobin of chimpanzees, horses, kangaroos, and chickens, reveal that humans have the fewest amino acid differences with

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