PLS170C1 Exam 4 Questions with Correct Answers
What best describes the benefits trees provide to ecosystems? - Answer-trees improve cognition, mental health and post-operative recovery from surgery, trees provide food, medicine and fibers for human use, and trees purify and filter the air, reduce ...
PLS170C1 Exam 4 Questions with
Correct Answers
What best describes the benefits trees provide to ecosystems? - Answer-trees improve
cognition, mental health and post-operative recovery from surgery, trees provide food,
medicine and fibers for human use, and trees purify and filter the air, reduce urban heat
islands and reduce energy costs
What is the estimated cost of providing the natural capital from ecosystems that are
required to sustain earth? - Answer-$33 trillion
Global warming that results from increased concentrations of atmospheric carbon
dioxide (CO2) is likely the result of ______________________. - Answer-the burning of
fossil fuels, global deforestation, and the greenhouse effect
The desert biome does NOT have the following characteristics _________________. -
Answer-dominant vegetation is evergreen shrubs, annual rainfall of about 24 inches,
mild, rainy winters
T or F: The chaparral biome is adapted to periodic fires. - Answer-True
Grasslands generally ________________. - Answer-are found in continent interiors
T or F: The tundra biome is found only near the Arctic pole. - Answer-False
The tundra _____________________. - Answer-recovers slowly from disturbance
Dominant plants in the taiga are ________________. - Answer-pine trees
T or F: Temperate forests are dominated by trees that display bright colors in the fall. -
Answer-True
The biome that usually receives the most precipitation is ___________________. -
Answer-Tropical
T or F: In temperate deciduous forest biomes, conditions generally include low humidity
and high light. - Answer-False
T or F: Ecosystems provide benefits like provisioning of food and regulating climate for
humans. - Answer-True
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