Which of the following is the source of carbon to plants
Atmospheric $CO_2$
$CO_2$ of carbonate rocks
Fossils
All the above
(a)Because $CO_2$ is utilized in photosynthesis of plants.
Desert can be converted into greenland by
Pneumatophores plants are found
Among bryophytes, lichens and fern which one is a pioneer species in a xeric succession ?
Global water cycle involves
In lake ecosystem the population rise or its explosion is termed
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