Standing state of the ecosystem is
Living and non-living components
Only living components
Total weight of non-living components
None of the above
The organisms, which attack dead animals are
Match the following columns.
Column $- I$ | Column $- II$ |
$(a)$ Phytoplankton, grass | $(p)$ First trophic level |
$(b)$ Man, Lion | $(q)$ Herbivore |
$(c)$ Zooplankton, Cow, Grasshopper | $(r)$ Third trophic level |
$(d)$ Birds, Wolf | $(s)$ Top carnivore |
Food chain consists of
Detritus food chain starts from