Multiple Choice
Which of thfollowing statements is FALSE?
A) Ecologist use models to represent relationships between biogeochemical cycles and most ecosystems.
B) The physical environment has virtually no reservoir for most elements.
C) Inputs from the physical environment and recycling made possible by decomposers and detritivores maintain the nutrient reserves in an ecosystem.
D) In most major ecosystems, the amount of nutrients that is cycled within the ecosystem is greater than the amount entering or leaving the ecosystem in a given year.
E) Once elements are in the biological part of the biochemical cycles, they are unlikely to leave until the organism dies.
Correct Answer:

Verified
Correct Answer:
Verified
Q29: Which of thfollowing combinations of organisms coulbexpecteto
Q30: Which of thfollowing represents an early stagin
Q31: An array of organisms together with their
Q32: Species interactions differ in<br>A)the extent to which
Q33: Four of thfivanswers listebelow arexamples of mutualism.Select
Q35: Which of thfollowing is not a greenhousgas?<br>A)methane<br>B)oxygen<br>C)carbon
Q36: Which substancis magnifieduring transfers in ecosystems?<br>A)fat-soluble pesticides<br>B)carbohydrates<br>C)inorganic
Q37: Four of thfivanswers listebelow arrelationships in which
Q38: Pioneer plants species arusually characterizeby<br>A)small size.<br>B)efficient dispersal
Q39: Which of thfollowing definitions is CORRECT?<br>A)A community