Which of the following is required for a trait to become more common over time in a population?

The trait must give individuals an advantage in producing offspring that survive.

The trait must be the result of an immediate change in the environment.

The trait must allow members of the population to only eat certain foods.

There must be many varieties of the trait in the population.

Most tree frogs in the United States are green, grey, or brown and use camouflage to hide from predators. What environmental change would be a disadvantage to a tree frog’s ability to camouflage in a forest?

An earthquake that knocks down trees

A wildfire that burns down most of the forest

Flooding during the rainy season

What happens to traits that help organisms survive in an environment?

The traits become more common over generations

The traits become less common in the population

The traits disappear after one generation

The traits do not change the organisms or population at all

A particular species of mammal lives in isolation on an island with a stable climate. What could contribute to the potential extinction of the mammal?

It develops no unique traits, has few offspring, and the climate changes quickly

It develops new unique traits, has more offspring, and the climate changes quickly

It develops new unique traits, has few offspring, and the climate changes slowly

It develops no unique traits, has more offspring, and the climate stays the same

A certain species of maple tree drops its leaves at the end of the growing season. Do the trees that drop the most leaves experience a survival advantage or disadvantage?

Advantage; it helps the plant conserve water and avoid wind damage during the winter

Disadvantage; it makes the tree appear less healthy

Advantage; it increases the tree’s ability to tolerate the cold

Advantage; it helps the tree lose water in the cold weather

The theory of evolution can be described as–

the scientific theory that living things evolved from earlier species

the evidence that all species come from one common ancestor

an explanation for the genetic variation among populations

a theory that explains artificial selection

In a snowy habitat, rabbits with white fur have a better chance of survival than rabbits with brown fur. Which statement best explains how natural selection would most likely affect the fur color trait in this rabbit population over many generations?

The rabbits with white fur would most likely survive and reproduce more often, causing the alleles for white fur to become more common

The frequencies of the fur colors would most likely remain unchanged because the temperature affects all rabbits equally each year

The rabbits with brown fur would most likely gradually change their fur color during their lives and pass on that change to their offspring

The rabbits with brown fur would stop reproducing because their bodies do not tolerate the cold temperatures as well

Wolves are carnivores found in cold places that hunt for small animals. Wolves have a thick fur coat covering their body to protect them from the cold. Wolves found in warmer places lack the fur coat. What can be understood about the importance of this variation in wolves?

The variation helps them survive different environments

The variation helps them hide from their prey

The variation helps them hide from their predators

The variation helps them in recognizing other wolves

Unit 4 - Evolution, Natural Selection & Adaptations Review

Authored by Miller Robert

Science

7th Grade

NGSS covered

Used 11+ times

Unit 4 - Evolution, Natural Selection & Adaptations Review

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20 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process where living things slowly change over many generations?

Natural Selection

Adaptation

Evolution

Biogeography

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which term describes a natural process where organisms with traits that help them survive and reproduce pass those traits to their offspring?

Adaptation

Natural Selection

Common Ancestry

Selective Breeding

Tags

NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a change in a living thing that makes it better suited to its environment?

Variation

Evolution

Adaptation

Homologous Structures

Tags

NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do we call a group of similar living things that can mate and have offspring that can also reproduce?

Environment

Species

Organism

Genes

Tags

NGSS.MS-LS4-4

NGSS.MS-LS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What term refers to the surroundings, including living and nonliving things, where an organism lives?

Biogeography

Environment

Common Ancestry

Characteristics

Tags

NGSS.MS-LS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is it called when two or more species share the same ancient relative?

Common Ancestry

Variation

Selective Breeding

Adaptation

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are similar body parts found in different species, showing they share a common ancestor?

Characteristics

Homologous Structures

Genes

Favorable Traits

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

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Unit 4 - Evolution, Natural Selection & Adaptations Review

What is the process where living things slowly change over many generations?

Which term describes a natural process where organisms with traits that help them survive and reproduce pass those traits to their offspring?

What is a change in a living thing that makes it better suited to its environment?

What do we call a group of similar living things that can mate and have offspring that can also reproduce?

What term refers to the surroundings, including living and nonliving things, where an organism lives?

What is it called when two or more species share the same ancient relative?

What are similar body parts found in different species, showing they share a common ancestor?

What term describes the differences that exist among individuals in a group of the same species?

What are tiny parts of cells that carry information passed from parents to offspring?

What are features or qualities that make it easier for an organism to survive and reproduce in its environment?

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