ECOLOGY
CHEMICAL CYCLES
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
All involve liquid substances falling to the Earth from the atmosphere?
|
|
|
None of the processes works at low temperature.
|
|
|
All involve the constant cycling of substances between animals, plants, and the Earth.
|
|
|
All involve the transfer of substances between the earth and outer space.
|
Detailed explanation-1: -The three main cycles of an ecosystem are the water cycle, the carbon cycle and the nitrogen cycle. These three cycles working in balance are responsible for carrying away waste materials and replenishing the ecosystem with the nutrients necessary to sustain life.
Detailed explanation-2: -Water, carbon, and nitrogen all cycle through the earth, its atmosphere, and bodies of water through biogeochemical cycles.
Detailed explanation-3: -They all include an exchange of gases with the atmosphere. None of the cycles are biogeochemical cycles. They are all byproducts of photosynthesis. They all sustain life, but living organisms have no part in the cycle.
Detailed explanation-4: -Both phosphorous and nitrogen are essential for plants and animals. These form their respective biogeochemical cycles that show the movement of nitrogen and phosphorus through the lithosphere, hydrosphere an biosphere.