What can be concluded from the graph above?

there is higher diversity in the equatorial regions

the higher the latitude, the greater the biodiversity

the lower the latitude, the lower the biodiversity

there is higher biodiversity in the polar regions

The diet of white-tailed deer consists primarily of shrubs. Sika are another species of deer that eat both grasses and shrubs. After an extended drought period, why might the Sika population be favoured over the white-tailed deer population?

Sika have more food sources than do the white-tailed deer

Sika require less food than do the white-tailed deer

Sika require more water than do the white-tailed deer

Sika have fewer food sources than do the white-tailed deer

How does resource partitioning contribute to the overall stability of an ecosystem?

resource partitioning reduces competition and allows for coexistence, leading to overall stability in the ecosystem.

resource partitioning only benefits a few species, leading to instability in the ecosystem.

resource partitioning increases competition and disrupts coexistence, leading to instability in the ecosystem.

resource partitioning has no effect on competition or coexistence in the ecosystem.

Reef-building coral are marine animals with single-celled algae living in their tissues. The coral provides protection for the algae and the algae provides food for the coral. Which of these statements best explains what would happen to the coral if the algae die?

The coral would die because it needs the food produced by the algae.

The coral would grow well because it does not have a competitor.

The coral would grow well because it does not have a parasite.

The coral would die because it cannot produce food for the algae.

Julie collected data on the structure of the human ear from four members of her class.Which of the following terms describe lobe traits?

Heritable characteristic and discrete variation

Heritable characteristic and continuous variation

Non-heritable characteristic and continuous variation

Non-heritable characteristic and discrete variation

Which of the following all show discrete variation?

blood type, eye colour, fingerprint type

body height, hair type, heart rate

foot length, tongue rolling ability, hand span

body mass, eye colour, earlobes attached

Which statement correctly explains why one of the species is more likely to survive an environmental change?

Species 2 because it has greater genetic diversity

Species 1 because it has fewer genes

Species 2 because it has more genes

Species 1 because it has less genetic diversity

Over a period of years, the average rainfall in an area decreases, causing environmental changes. Which of the following populations would be most likely to survive these environmental changes?

a population with the greatest amount of genetic variation

a population with the least amount of genetic variation

a population that has been altered through artificial selection

a population with the smallest population size

Which of these scenarios is an example of natural selection?

Giraffes that have longer necks survive a dry season by eating leaves from the tops of trees. Those giraffes breed more successfully that year.

Farmers crossbreed two types of cows to produce a breed of cow that has high quality beef and can tolerate a hot climate.

Dogs that have a desirable coat color are bred with one another to produce puppies with the same coat color.

People kill rattlesnakes that rattle when approached by humans, but people do not kill rattlesnakes that remain silent. The quiet snakes survive and breed.

After many generations, an insect species evolved resistance to a particular pesticide. According to natural selection, this occurred because spraying pesticides

selected for insects that were able to survive and reproduce

killed most of the insects in the population

caused mutations in the insect species’ gene pool

caused another insect species to go extinct

Which of the following situations is not an example of asexual reproduction?

An embryo developing from a zygote

A plant propagating from a root

Bacteria dividing by binary fission

Aphids are a common plant-pest insect. They alternate between asexual and sexual reproduction. During the summer, aphid populations grow quickly by asexual reproduction. As winter approaches, aphids switch to sexual reproduction. What advantage does the switch to sexual reproduction give the aphids?

Sexual reproduction increases variation in the population and provides for adaptability in a changing environment

Sexual reproduction maintains a constant level of variation in the population and requires less energy

Sexual reproduction decreases variation in the population and prevents the spread of harmful mutations

Sexual reproduction produces individuals that are clones and allows rapid population growth under stable environmental conditions

What is one disadvantage of sexual reproduction ?

Off spring are exact copies of parents

The male gamete is a ______. The female gamete is a _____. When the two gametes come together, it's called _____.

sperm, egg, asexual reproduction

Biodiversity Unit Review

Authored by Tara Hoogewoonink

Science

9th Grade

NGSS covered

Used 622+ times

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113 questions

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Food Web B is an example of...

Low biodiversity and low sustainability. If the producer dies then all the food web will suffer.

High biodiversity and high sustainability. If an organism is removed the food web will continue with no effect.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which shows more biodiversity Image A or Image B. Why?

Image B is more biodiverse, because shows more different species than image A.

Image A is more biodiverse, because shows a greater number of organisms that image B

Both images show the same biodiversity

Tags

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The circle graphs display data about four ecosystems in an area. The different color segments represent different species found in the ecosystem. The size of the segments show the percentage of organisms that are of that species. Based on the information in the circle graphs, which ecosystem is most sustainable if a natural disaster strikes the area?

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

NGSS.MS-LS2-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following groups has the highest diversity of the planet?

plants

insects

bacteria

mammals

Tags

NGSS.MS-LS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In general, as you move from the equator to the poles, what happens to biodiversity>

Increases

Decreases

Remains the same

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

This type of diversity refers to variation you see within all members of a species.

Ecosystem Diversity

Species Diversity

Genetic Diversity

Community Diversity

Tags

NGSS.MS-LS4-4

NGSS.MS-LS3-2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

These dogs are all the same species, but they look very different from one another because of

genetic diversity

ecosystem diversity

species diversity

none of these are correct

Tags

NGSS.MS-LS4-4

NGSS.MS-LS1-5

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Biodiversity Unit Review

Food Web B is an example of...

Which shows more biodiversity Image A or Image B. Why?

Which of the following groups has the highest diversity of the planet?

In general, as you move from the equator to the poles, what happens to biodiversity>

This type of diversity refers to variation you see within all members of a species.

These dogs are all the same species, but they look very different from one another because of

The Galapagos finches are shown above. What type of diversity is this?

This pic shows why the tropical rainforest is known for its

Use the following codes:
1 = Variation within a species
2 = Variation between species
to identify the statements shown as examples of variation within a species or variation between species. Record your answer as a 4 digits answer.

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Biodiversity Unit Review

Food Web B is an example of...

Which shows more biodiversity Image A or Image B. Why?

Which of the following groups has the highest diversity of the planet?

In general, as you move from the equator to the poles, what happens to biodiversity>

This type of diversity refers to variation you see within all members of a species.

These dogs are all the same species, but they look very different from one another because of

The Galapagos finches are shown above. What type of diversity is this?

This pic shows why the tropical rainforest is known for its

Use the following codes:1 = Variation within a species2 = Variation between speciesto identify the statements shown as examples of variation within a species or variation between species. Record your answer as a 4 digits answer.

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Use the following codes:
1 = Variation within a species
2 = Variation between species
to identify the statements shown as examples of variation within a species or variation between species. Record your answer as a 4 digits answer.