Free Printable Year 9 Changing Populations and Extinction Quiz

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Year 9 Changing Populations and Extinction Quiz

Total questions: 13

Worksheet time: 14mins

Name

Class

Date

Which of these describes a species that has become extinct?

fewer members of the species are dying than being born

more members of the species are dying than being born

very few members of a species are alive

all members of a species have died

Which of the following is NOT a reason a species may become extinct?

competition

reproducing

habitat loss

overhunting

Evidence of an animal or plant that lived a long time ago on Earth is called a ________.

fossil

tiger

extinct

endangered

What is the animal called if it is the one being hunted (ex: another animal wants to attack to eat it)?

prey

predator

Species that are in danger of becoming extinct are called __________.

endangered

not lucky

extinct

in a jam

Humans are causing extiction in which ways?

By over hunting animals for food or products.

By destroying the natural habitat of species.

By polluting the environments of the world.

All of the above.

The snake is a predator to what prey in this food chain?

frog

grass

grasshopper

hawk

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

There would be a decrease in the small bird population.

There would be a decrease in the grass/flowers population.

There would be a decrease in the mice population.

There would be an increase in the grass/flowers population.

What is a producer?

Organism that creates their own food.

Organism that eat other organisms for energy

Organism that eat other dead organisms

10.

What is a consumer?

Organism that creates their own food.

Organism that eat other organisms for energy

Organism that eat other dead organisms

11.

If the number of births in a population is the same as the number of deaths in a population, what will happen to the population size?

It will increase.

It will decrease.

It will stay the same.

It will fluctuate.

12.

TRUE OR FALSE: Populations go up or down depending on the resources available.

TRUE

FALSE

13.

Which of the following is true about deer and wolf populations?

As the wolf population decreases, the deer population also will decrease.

As the wolf population increases, the deer population decreases

The deer population has no effect on the wolf population.

As the wolf population increases, the deer population also increases.

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Year 9 Changing Populations and Extinction Quiz

Total questions: 13

Worksheet time: 14mins

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