According to the theory of natural selection, why are some individuals more likely than others to survive and reproduce?

Some individuals have better traits to exist in their environment than others are.

Some individuals pass on to their offspring new traits they have acquired during their lifetimes.

Some individuals do not pass on to their offspring new traits they have acquired during their lifetimes.

Some individuals tend to produce fewer offspring than others in the same environment.

Since the 1800s humans have stopped burning coal, and the trees have returned to their original color. Which moth will be more successful in this environment?

Both will be equally successful

An earthquake creates a new canyon in a mountain area. This canyon separates two populations of mountain turtles to the east and the west of the new canyon. To the west of the new canyon, there are large groves of berry bushes. East of the canyon, there are no berry bushes and only a few plants. However, there is a large river with lots of insects and minnows. Based on this scenario, what is likely to happen to the two populations of mountain turtles?

Over a long period of time, different environmental conditions will cause two species of turtles to evolve.

Because of different conditions, they will rapidly become two new species of turtle.

The turtles to the east of the canyon will jump or crawl across the canyon and join the other turtles in the berry fields.

Despite differences in food and environmental conditions, since the turtles were one species in the beginning, they will remain the same species.

In a mouse population inhabiting a grassland area, a mutation occurs that results in a new coat color allele. Which factor has the GREATEST effect on whether the new coat color will become more common in the mouse population?

Whether the new coat color allele increases the survival of mice in their environment.

Whether abundant food is available in the grassland.

Whether the new coat color allele is dominant or recessive.

Whether the rate of reproduction in the mouse population is stable.

The diagram shows light-and dark-colored beetles that live on a tree. Which result is MOST LIKELY to occur to the beetle population over time due to natural selection?

The number of light-colored beetles in the population will increase.

The number of light-colored beetles will decrease.

The dark-colored beetles will move to a different type of tree.

There will be more dark-colored beetles than light-colored beetles.

The white cattail is a hybrid species of plant that is the result of the cross between the broad-leaved cattail and the narrow-leaved cattail. Over time, the white cattail has become more common in the wetlands of Midwestern states. Which of these BEST explains the success of the white cattails in their environment?

Favorable genes from parental generations provide advantageous characteristics to the hybrid species.

Hybrid species display more adaptations due to their reduced genetic diversity.

Hybridization produces offspring traits that allow different species to survive in extreme environments.

Inherited traits passed on from parental generations maked hybrid species more susceptible to disease.

Starting in 1954, commericial fishers in the northwest Pacific were paid by weight, rather than by the individual fish, for pink salmon. The fishers increased the use of a type of net that selectively catches larger fish. Which of the following effects did this change in fishing techniques MOST LIKELY have on the salmon population over the next 20 years?

The average body size of the salmon population decreased significantly.

The average body size of the salmon population increased significantly.

There was no effect on the average body size of the salmon in this population.

The average body size of the males in the population increased while the average body size of the females decreased.

Mechanisms of Evolution Quiz

Authored by Sandra Claxton

Biology

9th Grade - University

NGSS covered

Used 48+ times

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18 questions

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MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A few deer wander out of their native woods into a completely new park where no deer had ever been before. They go on to create an entirely new population.

Genetic Drift

Natural Selection

Non-random mating

Mutation

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

NGSS.HS-LS4-5

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does the picture represent?

Founder Effect

Mutations

Bottleneck effect

Gene Flow

Tags

NGSS.HS-LS4-5

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does the image represent?

Founder effect

Bottleneck effect

Mutation

Natural Selection

Tags

NGSS.HS-LS4-2

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does the image represent?

Founder effect

Bottleneck effect

Natural Selection

Mutations

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

When an organism is best suited for its environment and has a better chance of passing on its traits to the next generation.

natural selection

adaptation

evolution

selective breeding

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-3

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

One day a group of scientists collected a small group of brown anole lizards from a large group of the lizards. Then they placed this small group of lizards on an island that had no brown anole lizards on it. What is this an example of?

Bottleneck Effect

Hardy Effect

Founder Effect

None of These

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

There was once a large population of cheetah, but about 12,000 years ago most of the cheetahs were killed off because of human activity and only a few survived and reproduced. What is this an example of?

Bottleneck Effect

Genetic Drift

Founder Effect

Natural Selection

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Mechanisms of Evolution Quiz

A few deer wander out of their native woods into a completely new park where no deer had ever been before. They go on to create an entirely new population.

What does the picture represent?

What does the image represent?

What does the image represent?

When an organism is best suited for its environment and has a better chance of passing on its traits to the next generation.

One day a group of scientists collected a small group of brown anole lizards from a large group of the lizards. Then they placed this small group of lizards on an island that had no brown anole lizards on it. What is this an example of?

There was once a large population of cheetah, but about 12,000 years ago most of the cheetahs were killed off because of human activity and only a few survived and reproduced. What is this an example of?

Bats are common in Texas, especially in rocky regions. Bats with longer hang claws have demonstrated higher fitness because of their ability to cling to rock while resting. This adaptation is becoming more frequent in the population. What mechanism of evolution is this?

Evolution by chance, survival of the luckiest:

According to the theory of natural selection, why are some individuals more likely than others to survive and reproduce?

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