GHY 1012 Test 2 With
Solution
Imagine an ecosystem that has a high level of forest floor diversity. As a
result of that diversity, different types of root systems extend to nearly all
levels of the soil, from the surface, all the way down to bedrock, each
drawing water and nutrients from their respective level of the soil. This is an
example of what? - ANSWER The complimentarity effect
What percentage of Earth's land surface is legally designated as preserves? -
ANSWER 12%
Which of the following is NOT a regulating or supporting ecosystem service -
ANSWER Pharmaceutical products
Which of the following statements is true regarding the functioning of
ecosystems? - ANSWER Solar energy is cycled through ecosystems
Species that are found only in specific environments or have restricted
localities are said to be ________. - ANSWER endemic
, As you drive up and over Great Smoky Mountains National Park, you will
notice gradual changes to the ecosystems as you reach higher elevations.
This is an example of what? - ANSWER An environmental gradient
To conserve something means to protect it from further impact. - ANSWER
False
As you travel west between the Mississippi River and the Rocky Mountains
you encounter fewer trees and more grasses. This is a result of what? -
ANSWER less precipitation
How is genetic variation maintained in most populations? - ANSWER sexual
reproduction
The greatest threat to tropical rainforests is ________. - ANSWER deforestation
Which of the following observations led Charles Darwin to develop his theory
of evolution? - ANSWER The wide variety of physical beak characteristics on
Finches of the Galapagos Islands
Early in the 18th century, Thomas Malthus recognized the connection
between human population growth and ________. - ANSWER resource
availability
Solution
Imagine an ecosystem that has a high level of forest floor diversity. As a
result of that diversity, different types of root systems extend to nearly all
levels of the soil, from the surface, all the way down to bedrock, each
drawing water and nutrients from their respective level of the soil. This is an
example of what? - ANSWER The complimentarity effect
What percentage of Earth's land surface is legally designated as preserves? -
ANSWER 12%
Which of the following is NOT a regulating or supporting ecosystem service -
ANSWER Pharmaceutical products
Which of the following statements is true regarding the functioning of
ecosystems? - ANSWER Solar energy is cycled through ecosystems
Species that are found only in specific environments or have restricted
localities are said to be ________. - ANSWER endemic
, As you drive up and over Great Smoky Mountains National Park, you will
notice gradual changes to the ecosystems as you reach higher elevations.
This is an example of what? - ANSWER An environmental gradient
To conserve something means to protect it from further impact. - ANSWER
False
As you travel west between the Mississippi River and the Rocky Mountains
you encounter fewer trees and more grasses. This is a result of what? -
ANSWER less precipitation
How is genetic variation maintained in most populations? - ANSWER sexual
reproduction
The greatest threat to tropical rainforests is ________. - ANSWER deforestation
Which of the following observations led Charles Darwin to develop his theory
of evolution? - ANSWER The wide variety of physical beak characteristics on
Finches of the Galapagos Islands
Early in the 18th century, Thomas Malthus recognized the connection
between human population growth and ________. - ANSWER resource
availability
