Economists have been comparing the monetary value of intact habitats with the value of using (destroying) those habitats (such as for logging or farming). They find
A. the immediate economic gain is worth it, such as in the shrimp farms in Thailand.
B. the long-term problems are minimal, and usually economically minor, it is more of an aesthetic problem than a monetary one.
C. the intact habitat is more valuable than the destroyed one in most cases studied.
D. clearing the forest for agriculture, as in Cameroon, provides jobs, housing, and long-term economic benefits.
E. increased invasion in intact habitats renders it worthless within a few years.
C. the intact habitat is more valuable than the destroyed one in most cases studied.
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Indicate whether this statement is true or false.
Saturated fatty acids
1.contain carbon to carbon double bonds in their structure. 2.contain the maximum possible number of hydrogen atoms. 3.are soluble in water. 4.are very polar.
In photosynthetic cells, synthesis of ATP by the chemiosmotic mechanism occurs during _____
A) photosynthesis only B) respiration only C) photosynthesis and respiration D) neither photosynthesis nor respiration
Approximately 10—15% of insect species harbor bacteria that make needed nutrients available to the insects. How might you classify these bacteria?
A) phytoplankton B) extremophiles C) exotoxins D) endosymbionts