In which part of the open sea producers are found
Aphotic zone
Abyssal zone
Photic zone
None of these
Fishing and Guano birds assist the cycling of
The conversion of nitrate to nitrous oxide and nitrogen gas is termed as
A community which starts succession in a habitat is
Ecological succession is ______ and ______ change in species composition.
Phytoplanktons are found in which of the following shallow water region zones?