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 |
$a-p, b-q, c-r, d-s $
$a-s, b-r, c-q, d-p $
$a-p, b-r, c-q, d-s$
$a-p, b-s, c-q, d-r$
In food chain initial organisms are
Justify the pitcher plant as a producer.
In tropical rain forest most of the energy in ecosystem flows through
The snakes are included under