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 $
$a-p, b-r, c-q, d-s$
$a-p, b-s, c-q, d-r$
To eat and be eaten relationship is called as
When peacock eats snakes which eat insects thriving on green plants, the peacock is
Flow of energy through various trophic levels in an ecosystem is unidirectional and non-cyclic. Explain.
The phytoplankton in the ponds act as
Name an omnivore which occurs in both grazing food chain and the decomposer food chain.