Australia and Oceania face numerous environmental risks. Write an essay in which you describe and assess the severity of these problems.
What will be an ideal response?
Two of the most serious environmental threats to the region are global warming and invasive species. Global warming is already contributing to rising sea levels, which has begun to threaten some of the smaller, low-lying islands in Oceania. Invasive species that have accompanied the arrival of Europeans are threatening indigenous species. Some of the invasive species, like rabbis and goats, were brought to the region deliberately, while others, such as the brown tree snake, were stowaways, which have decimated native bird species on the island of Guam.
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The presence of talus slopes indicates the occurrence of
A) mudflow. B) rockfall. C) creep. D) slump. E) planar slides.
The maximum population of a species that an ecosystem can sustain is called
A. carrying capacity. B. maximum limiting population. C. limiting capacity. D. maximum sustaining population.
The same side of the Moon is always visible from Earth
Indicate whether the statement is true or false
Ecologists and conservation biologists see wilderness areas as ____.
A. recreational opportunities for humans B. economic benefits to humans C. areas that must not be used by humans D. areas set aside for future resource use E. ecological insurance policies