Free Printable Yr 10 Geo

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Yr 10 Geo

Total questions: 20

Worksheet time: 14mins

Name

Class

Date

Biodiversity refers to

extinct species

the variety of species on Earth

nonrenewable resources

the rate of species decline

When taken to a new habitat, non-native plants often threaten native plants of the new habitat. Why do they do this?

Non-native plants are able to mutate rapidly

Non-native plants cause native animals to relocate

Non-native plants are able to be used for medicine

Non-native plants compete with native plants for resources

The field mouse population in Australia has grown so fast that they eat an average of $4 billion of wheat every year. Their fast growth is caused by:

A. The mice like to reproduce

B. A lack of a native species to eat the field mouse

C. Abundant food supply

Both B and C

These were released in Australia to eat cane beetles, but now they are an invasive species and number in the millions.

dingo

Kangaroo

Cane toad

Rabbits

1. What makes a species invasive?

Moving to a new ecosystem and taking resources from natives

Not having papers

Species that can't adapt

Plants that take up too much space

What kind of organisms can become invasive?

Lions, Tigers, Bears

Plants, Animals, or Pathogens

Animals

Plants

Which of the following is a key characteristic of most invasive species?

Ability to breathe in the air & in the water

Large, sharp teeth

Produce many offspring

Is a top predator

Which of these words does NOT describe an invasive species?

alien

intruder

non-native

natural

TRUE or FALSE? Invasive species can be introduced to an ecosystem accidentally.

True

False

10.

Invasive species --- [choose 3]

take over the habitat of other organisms.

increases the populations of native organisms.

decrease biodiversity.

increase biodiversity.

cause the populations of native organisms to decrease.

11.

What percent of species are unique to Australia?

37%

92%

85%

46%

12.

Cane toads were introduced to which state?

Victoria

Queensland

New South Wales

Western Australia

13.

What did an Australian politician suggest people do to cane toads?

Hit them with golf clubs

Run them over with cars

Trap them

14.

Rabbits were brought over for what reason?

For food

To make clothes out of their fur

To be hunted

To keep as pets

15.

What ways did people attempt to manage the rabbit population?

(a)

16.

How did Dingos get introduced to Australia?

they walked over themselves when Australia was connected to Papua New Guinea

they have always been here

17.

The first fleet brought cats for what purpose?

(a)

18.

Pet cats are estimated to kill how many animals annually each?

19.

Feral cats hunt for food and for

(a)

20.

The government is poisoning what to kill cats and foxes?

milk

sausages

cat food

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Yr 10 Geo

Total questions: 20

Worksheet time: 14mins

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