What is meant by ecosystem resilience? What can cause it to fail? How does this relate to environmental tipping points?
What will be an ideal response?
"The ability of an ecosystem to return to normal functioning after a disturbance is resilience." Resilience mechanisms are "the processes of replenishment of nutrients, dispersion by surrounding plants and animals, rapid regrowth of plant cover and succession to a forest." Resilience can fail when soil is lost through deforestation, overgrazing, and other devastating factors.
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Which of these is the most effective way to motivate individuals to switch from disposable plastic shopping bags to reusable bags?
A. Charge $1.00 per plastic bag. B. Offer them paper bags (for same price as plastic bags). C. Put up signs telling people to bring their reusable bags. D. Charge $0.10 per plastic bag.
Permafrost is a defining characteristic of which biome?
A. Desert B. Steppe C. Taiga D. Tundra
Devonian mass extinctions were caused by global cooling that made the environment unfavorable for
the widespread reef organisms of the time period. Indicate whether the statement is true or false.
Why have U.S. actions in the region been considered neocolonial? Are there other regions in the world where the United States exerts neocolonial tendencies?
What will be an ideal response?