Natural Differences: Explore the Diversity of Life

Question 1

Which of the following is NOT a natural variation in plants?

Accepted Answer

Larger than average size

Answer

Leaf shape

Answer

Flower color

Answer

Stem length

Question 2

Inherited traits are passed down from which of the following?

Accepted Answer

Parents

Answer

Teachers

Answer

Friends

Answer

Environment

Question 3

Natural selection acts on:

Accepted Answer

Inherited traits

Answer

Acquired traits

Answer

Both inherited and acquired traits

Answer

Neither inherited nor acquired traits

Question 4

Which of these shows how living things can vary from each other within a group?

Accepted Answer

Some flowers come in different colors.

Answer

All dogs have four legs.

Answer

All humans have brown eyes.

Answer

All birds can fly.

Question 5

Why is it good for living things to have variety within their group?

Accepted Answer

It helps them adapt to changes in their surroundings.

Answer

It stops them all looking the same.

Answer

It ensures that every individual has exactly the same features.

Answer

It makes them more vulnerable to illnesses.

Question 6

Which of these is an example of humans controlling which living things can breed?

Accepted Answer

Breeding dogs for certain features.

Answer

Developing new medicines.

Answer

Bacteria becoming resistant to medicines.

Answer

The extinction of the dinosaurs.

Question 7

What is the main difference between natural selection and artificial selection?

Accepted Answer

Natural selection is driven by nature, while artificial selection is driven by humans.

Answer

Artificial selection is driven by nature, while natural selection is driven by humans.

Answer

Natural selection only happens to humans, while artificial selection happens to all living things.

Answer

Artificial selection only happens to humans, while natural selection happens to all living things.

Question 8

What do we call the variety of different forms of a gene found in a group of organisms?

Accepted Answer

Genetic diversity

Answer

Trait variety

Answer

Population size

Answer

Overall health

Question 9

Why is genetic diversity important for groups of living things?

Accepted Answer

It helps them survive changes in their surroundings.

Answer

It lowers their risk of disease.

Answer

It makes them more appealing to predators.

Answer

It makes them less fit overall.

Question 10

Genetic modification can be used to change the DNA of living organisms. What should we think about before using this technology to change the genes of humans?

Accepted Answer

The possible advantages and disadvantages

Answer

Only the possible advantages

Answer

Only the possible disadvantages

Answer

What other people think

Question 11

Which characteristic is NOT an example of natural variation within a species?

Accepted Answer

Acquired immunity

Answer

Variations in eye color

Answer

Variations in beak size of birds

Answer

Differences in leaf shape of plants

Question 12

How does genetic drift affect natural variation within a population?

Accepted Answer

It reduces genetic diversity.

Answer

It introduces new variations into the population.

Answer

It increases the chances of certain traits being passed on to offspring.

Answer

It removes harmful characteristics from the population.

Question 13

What is an example of continuous variation?

Accepted Answer

Height

Answer

Blood type

Answer

Eye color

Answer

Number of fingers

Question 14

How can natural variation lead to the emergence of new species?

Accepted Answer

Through the accumulation of gradual changes over several generations.

Answer

Through abrupt changes in the environment.

Answer

Through hybridization of distinct species.

Question 15

Which of these is an example of a continuous variation in humans?

Accepted Answer

Height

Answer

Hair colour

Answer

Blood type

Answer

Eye shape

Question 16

Inherited traits are characteristics passed from parents to offspring. Which of the following is NOT an inherited trait?

Accepted Answer

Personality

Answer

Eye color

Answer

Height

Answer

Hair texture

Question 17

Natural variation refers to the differences among individuals within a population. Which of the following factors does NOT contribute to natural variation?

Accepted Answer

Artificial selection

Answer

Genetic mutations

Answer

Environmental influences

Answer

Chance events

Question 18

How does variation within a population help a species survive?

Accepted Answer

It allows individuals to adapt to different environmental conditions.

Answer

It reduces competition for resources within the group.

Answer

It eliminates the need for genetic diversity.

Answer

It ensures that all individuals are identical.

Question 19

An acquired trait is a characteristic that an individual develops during its lifetime. Which of the following is an example of an acquired trait?

Accepted Answer

Language proficiency

Answer

Eye color

Answer

Blood type

Answer

Height

Question 20

What is the term for the variety of traits found within a population?

Accepted Answer

Variation

Answer

Diversity

Answer

Phenotype

Answer

Genotype

Question 21

Which of the following is NOT considered an environmental factor?

Accepted Answer

Parental care

Answer

Habitat

Answer

Temperature

Answer

Social interactions

Question 22

Which of these is NOT something that can be different within a group of living things?

Accepted Answer

Friends

Answer

Eye color

Answer

Height

Answer

Blood type

Question 23

How does nature help to make living things different from each other and better able to survive?

Accepted Answer

It helps those with traits that work best

Answer

It changes their DNA to make them better

Answer

It adds new colors and shapes to them

Answer

It takes away traits that don't work well

Question 24

What is the term for a physical or behavioral characteristic that is passed down from parents to offspring?

Accepted Answer

Trait

Answer

Gene

Answer

Allele

Answer

Phenotype

Question 25

Which of the following is an example of an acquired variation?

Accepted Answer

Muscle fitness

Answer

Eye color

Answer

Height

Answer

Skin tone

Question 26

How does variation within a population contribute to its survival?

Accepted Answer

It increases the chances of some individuals adapting to changing conditions

Answer

It reduces competition for resources

Answer

It leads to the extinction of weaker species

Answer

It has no impact on survival

Question 27

True or False: All inherited traits can be seen by looking at an organism.

Accepted Answer

False

Answer

True

Question 28

Which of the following is NOT an advantage of genetic diversity within a population?

Accepted Answer

Lowered chance of survival

Answer

Increased resistance to diseases

Answer

Greater ability to adapt to changing environments

Answer

Reduced risk of inbreeding

Question 29

True or False: Variation can only be found in living organisms.

Accepted Answer

False

Answer

True

Question 30

Which of these is not a type of natural selection?

Accepted Answer

Artificial selection

Answer

Stabilizing selection

Answer

Directional selection

Answer

Disruptive selection

Question 31

Which of the following is NOT a type of variation that can be seen in living things?

Accepted Answer

Size of the population

Answer

Inherited traits

Answer

Acquired traits

Answer

Learned behaviors

Question 32

True or False: Hair color is usually an inherited trait.

Accepted Answer

True

Answer

False

Question 33

True or False: All members of a species have exactly the same characteristics.

Accepted Answer

False

Answer

True

Question 34

True or False: Acquired traits can be passed on to offspring.

Accepted Answer

False

Answer

True

Question 35

Which factor can make it challenging for species to adapt to changing environments, despite natural variation?

Accepted Answer

Limited genetic diversity

Answer

Too much genetic diversity

Answer

Slow rate of environmental change

Question 36

Which of these examples shows natural variation within a population?

Accepted Answer

All humans have different fingerprints.

Answer

All dogs have fur.

Answer

All plants need sunlight.

Answer

All birds have the same color feathers.

Question 37

How does variation help living things adapt to their surroundings?

Accepted Answer

It increases the chances of individuals having traits that match their environment, giving them an advantage.

Answer

It makes the entire group stronger, so everyone can better handle changes in their surroundings.

Answer

It removes harmful traits, so only the good traits get passed on.

Question 38

Why are populations with more differences in their genes more likely to survive when the environment changes?

Accepted Answer

More differences in genes mean some individuals might have traits that help them survive in the new environment.

Answer

Less differences in genes means less competition for resources.

Answer

Differences in genes don't matter for survival when the environment changes.

Answer

Differences in genes only affect traits you are born with, not traits you learn.

Question 39

Why do some animals have a better chance of surviving in a specific environment?

Accepted Answer

They have a trait that helps them survive in that environment.

Answer

They have a trait that makes them different from most other animals.

Answer

They have a trait that is passed down from their parents.

Question 40

Which of the following is best described as an inherited trait?

Accepted Answer

Eye color

Answer

Musical talent

Answer

The ability to speak

Answer

Physical fitness

Question 41

What is the term for a small change in a gene that can affect how an organism looks or functions?

Accepted Answer

Mutation

Answer

Adaptation

Answer

Variation

Answer

Evolution

Question 42

What is a measure of how much a set of data is spread out?

Accepted Answer

Range

Answer

Mean

Answer

Mode

Answer

Median

Question 43

Which of the following is an example of a continuous variation?

Accepted Answer

Height

Answer

Blood type

Answer

Number of fingers

Answer

Eye color

Question 44

What is the process by which individuals with certain traits are more likely to survive and reproduce?

Accepted Answer

Natural selection

Answer

Recombination

Answer

Mutation

Answer

Genetic drift

Question 45

What is the name of the graph that shows how common different traits are within a population?

Accepted Answer

Histogram

Answer

Scatter graph

Answer

Scatter plot

Answer

Bar chart

Question 46

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

Accepted Answer

Height

Answer

Blood type

Answer

Eye color

Answer

Gender

Question 47

What is the term for the variety of traits that exist within a population?

Accepted Answer

Phenotypic variation

Answer

Environmental variation

Answer

Genetic variation

Answer

Ecological variation