Where would you find a cold desert biome?
a) Mojave
b) Sahara
c) Sahel
d) Antarctica
Answer: d) Antarctica
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What characterizes extreme climates?
A. Increased biodiversity and high population densities B. Increased biodiversity and low population densities C. Reduced biodiversity and low population densities D. Reduced biodiversity and high population densities
At CO levels of 100 ppm or less in the bloodstream
A) carbon monoxide can contribute to acid rain. B) there is no noticeable health effect. C) humans might develop headaches and suffer from impaired vision and judgment. D) the human bloodstream is unaffected.
If our planet did not have a molten metallic outer core, Earth would not have a magnetic field, and so, most of the life-forms on Earth would not exist.
a. true b. false
How does island biogeography apply to ecosystems other than islands?
A. Island biogeography is only concerned with islands in oceans and lakes B. Habitat fragmentation has formed islands of habitat in "oceans" of development C. Relatively rare ecosystems such as coastal areas are more stable if they have high species diversity D. Habitats that are large and close to development are more adversely affected than smaller fragmented habitats E. Along with islands in oceans and lakes, the principles of island biogeography apply only to wetland areas