WorksheetsEffects of Industry - Pearson Science 7 Chapter 5.4
Total questions: 17
Worksheet time: 9mins
A species is said to be extinct when
It hasn't been seen in the wild for over 5 years.
It hasn't been seen in the wild for over 50 years and the last known individual has died.
It's numbers are very small.
It is experiencing a rapid decline in population.
A species is said to be endangered when
It's numbers are low and is spread out over a large area.
It hasn't been seen in the wild for over 50 years and the last known individual has died.
It's close to extinction and very small numbers remain.
It is experiencing a rapid decline in population.
A species is said to be vulnerable when
It's numbers are low and is spread out over a large area.
It hasn't been seen in the wild for over 50 years and the last known individual has died.
It's close to extinction and very small numbers remain.
It is experiencing a rapid decline in population.
A species is said to be rare when
It's numbers are low and is spread out over a large area.
It hasn't been seen in the wild for over 50 years and the last known individual has died.
It's close to extinction and very small numbers remain.
It is experiencing a rapid decline in population.
The helmeted honeyeater, the blue whale, the beaked gecko and the Leadbeater's possum are all classified as
Extinct
Endangered
Vulnerable
Rare
The mountain pygmy-possum, the giant Gippsland earthworm, the Mallee fowl, the bilby and the diamond python are all classified as
Extinct
Endangered
Vulnerable
Rare
The eastern wallaroo, the leafy sea dragon, the powerful owl and the alpine tree frog are all classified as
Extinct
Endangered
Vulnerable
Rare
In the past 200 years, how many Australian native plants and animals have become extinct?
25
50
100
more than 125
Rainforests in Sumatra are being logged and burnt to make plantations of
Palm oil
Vegetable oil
Sugar cane
Coffee
Which of the following animals have become critically endangered due to the clearing of the rainforests in Sumatra?
Sumatran elephant
Sumatran tiger
Sumatran rhino
Sumatran orang-utan
The removal of trees for use in the timber industry is called
Habitat destruction
Mining
Logging
Deforestation
Which of the following is NOT an impact of logging
Habitats are destroyed
Food sources are lost
More light reaches the ground changing the plants that can grow
Trees grow taller
Sustainably managed forests should
Provide timber both now and into the future
Cut down more trees than can be grown
Protect forest environments to maintain biodiversity
Plant non-native tress to be used for timber production
Which of the following is NOT an impact of mining?
Habitats are destroyed
Poisonous chemicals can leach out and pollute waterways
Animals living near the mine move to a new habitat
More habitats are created in the mine
Agriculture can negatively impact ecosystems by
Clearing native vegetation to grow crops or be used for grazing
Changing the types of habitats from the original vegetation's habitat
Polluting waterways from fertiliser and pesticide use
Providing more food for society to use.
When native vegetation is cleared and is replaced with houses, shops and industry, it is called
Deforestation
Urbanisation
Industrialisation
Habitat destruction
Which native species has adapted to live happily in urban areas?
Koala
Kangaroo
Echidna
Possums
