Question 1

What is an adaptive trait?

Accepted Answer

A trait that helps an organism survive and reproduce in its environment

Answer

A trait that is only present in a small number of organisms

Answer

A trait that is not useful for an organism's survival

Answer

A trait that is found in all organisms of the same species

Question 2

What is a generation?

Accepted Answer

A group of organisms that can mate and produce offspring

Answer

A group of organisms that share the same genetic code

Answer

A group of organisms that share the same adaptive traits

Answer

A group of organisms that live in the same habitat

Question 3

What is distribution?

Accepted Answer

The way in which organisms are spread out across an ecosystem

Answer

The way in which organisms reproduce

Answer

The way in which organisms communicate with each other

Answer

The way in which organisms obtain food

Question 4

What is variation?

Accepted Answer

Differences among organisms of the same species

Answer

Differences among organisms of different species

Answer

Differences among organisms that live in different habitats

Answer

Differences among organisms that eat different types of food

Question 5

What are consumers?

Accepted Answer

Organisms that eat other organisms

Answer

Organisms that break down dead matter

Answer

Organisms that live in the same habitat

Answer

Organisms that make their own food

Question 6

What are producers?

Accepted Answer

Organisms that make their own food

Answer

Organisms that break down dead matter

Answer

Organisms that live in the same habitat

Answer

Organisms that eat other organisms

Question 7

What is a food chain?

Accepted Answer

The transfer of energy from one organism to another in an ecosystem

Answer

A type of variation among organisms

Answer

A group of animals that live in the same area

Answer

A type of distribution of organisms

Question 8

What is a feature?

Accepted Answer

A characteristic of an organism

Answer

A type of variation

Answer

A type of food chain

Answer

A type of ecosystem

Question 9

What is a population?

Accepted Answer

A group of organisms that can mate and produce offspring

Answer

A group of plants that live in the same area

Answer

A group of animals that share the same habitat

Answer

A group of individuals that share the same genetic code

Question 10

What is a trait?

Accepted Answer

A physical or behavioral characteristic of an organism

Answer

A type of distribution of organisms

Answer

A type of food that an organism eats

Answer

A type of generation of organisms

Question 11

Which of the following best describes a population?

Accepted Answer

The traits present and the number of individuals who have each trait.

Answer

The traits present in an individual.

Answer

The number of species in an area.

Answer

The number of individuals who have each trait.

Question 12

What can change over time in a population?

Accepted Answer

The number of individuals who have each trait.

Answer

The size of an individual.

Answer

The number of species in an area

Answer

The traits present in an individual.

Question 13

How do individuals with adaptive traits become more common in a population?

Accepted Answer

By passing down their adaptive traits to their offspring.

Answer

By inheriting non-adaptive traits from their offspring.

Answer

By dying without having offspring

Answer

By inheriting non-adaptive traits from their parents

Question 14

What determines which traits can become more common over many generations?

Accepted Answer

The environment.

Answer

The size of the population

Answer

The location of the population

Answer

The age of the population.

Question 15

Whether a trait is adaptive depends on:

Accepted Answer

The environment.

Answer

The individual's size.

Answer

The individual's age.

Answer

The individual's gender.

Question 16

What do biologists analyze to explain changes in the distribution of traits in populations?

Accepted Answer

Data about environmental conditions.

Answer

Data about the population's location

Answer

Data about the population's size

Answer

Data about the population's gender.

Question 17

What happens to individuals with adaptive traits?

Accepted Answer

They are more likely to live longer and have offspring.

Answer

They are less likely to pass down their adaptive traits to their offspring.

Answer

They are more likely to die without having offspring.

Answer

They are less likely to live longer and have offspring.

Question 18

What are genes?

Accepted Answer

Instructions for making protein molecules.

Answer

Instructions for making fat molecules.

Answer

Instructions for making minerals.

Answer

Instructions for making carbohydrates.

Question 19

Which of the following is an example of an adaptive trait that helps an organism survive in its environment?

Accepted Answer

camouflage coloring in a chameleon

Answer

large size of an elephant

Answer

sharp teeth in a shark

Answer

colorful feathers in a peacock

Question 20

What is the primary difference between adaptive and nonadaptive traits?

Accepted Answer

Adaptive traits enhance survival and reproduction, while nonadaptive traits do not.

Answer

Adaptive traits can change over time, while nonadaptive traits remain the same.

Answer

Adaptive traits are beneficial in all environments, while nonadaptive traits are harmful.

Answer

Adaptive traits are always physical, while nonadaptive traits are always behavioral.

Question 21

Which of the following is an example of a nonadaptive trait?

Accepted Answer

a dog with a curly tail that serves no purpose

Answer

a fish with gills to breathe underwater

Answer

a rabbit with long ears to hear predators

Answer

a bird with strong wings to fly

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