Plants capture only.................percent of $PAR$
$2-10$
$10-12$
$15-20$
$1-2$
Match the columns:
Column - $I$ | Column - $II$ |
$(a)$ Saprotrophs | $(i)$ He makes his food |
$(b)$ Omnivores | $(ii)$ Dependent on dead |
$(c)$ Autotrophs | $(iii)$ Eat other animals for food |
$(d)$ Vegetarian | $(iv)$ Fertilizers for plants |
In a lake, phytoplankton grow abundant in
The order of organism in an aquatic food chain is
Organisms living in open sea are called