UNIT 3 Environmental Science REVISION

Quiz
•
Other
•
12th Grade
•
Hard

Cass Brock
Used 25+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Australia possesses a unique assemblage of mammal species, of which over 80% are endemic. This high level of endemism is a result of Australia's
Distance from other countries.
High ecosystem biodiversity
Long period of isolation from other land masses
Large number of marsupials
2.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Western Victorian Volcanic plains is an example of a Biodiversity hotspot. This is because:
It hosts the largest population of Eastern Barred Bandicoots on the mainland and they are under threat from human activity.
It is the only area in Victoria with over 400 volcanoes
The area has a low animal diversity and many are endemic to the area.
The area has a high ecosystem diversity and many of these are under threat from human activity.
3.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Species that are endemic to one particular area are a priority for conservation measures mainly because:
The species already is experiencing a restricted habitat suggesting the species is at greater risk of extinction.
The species provides social benefits to visitors to the area.
There is only one population of the species remaining in the wild
Populations in different areas have become separated and exist only on patches of remaining vegetation
4.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Which statement is correct?
Site 1 has a higher species richness but lower species diversity than Site 2.
Site 2 has a lower species richness and lower species diversity than Site 1
Site 1 has a higher species diversity and species abundance the Site 2
Site 2 has a lower species richness and lower relative species abundance than Site 1.
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Globally we are witnessing a decline in wild bees, honeybees and hover flies, caused by the destruction of habitats, increase in land use for agriculture and use of pesticides. This will greatly impact the food security because:
A loss of pollinators will result in a loss of crop supplies
Habitat destruction will impact areas for agricultural pursuits
The use of pesticides always leads to biomagnification
Pollinators and crops are example of commensalism.
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
As a consequence of the habitat destruction of tropical forests, the reduced numbers of migratory birds and the regeneration of temperate plant species has been found to be connected. This is most likely because:
The temperate habitat no longer supports the nesting sites of birds.
The temperate plant species rely on the birds to disperse seeds as they migrate.
The tropical forests and temperate forests have the same species.
The birds have not been able to adapt to the loss of plant species and therefore no longer travel here.
7.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Having a greater genetic diversity within a population will support a species to survive:
When their habitat is removed by deforestation.
When the population is impacted by disease and climate change.
When an exotic species out-competes the population for a resource.
When a predator reduces the population numbers.
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