Choose the incorrect sentences from below.
In $DFC$ parasitic decomposers bacteria and fungi are included.
In the water ecosystem $DFC$ is main pathway for energy flow.
$DFC$ is related to $GFC$ by some extent.
Some organisms of $DFC$ are prey to $GFC$ animals.
Source of energy in an ecosystem is
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 |
Why is the rate of assimilation of energy at the herbivore level called secondary productivity ?
In ecological pyramid the base always represent the $...A...$ and the apex represents $...B...$ Here $A$ and $B$ represents
Major conduit of energy in land and aquatic ecosystem is transferred through ______ and ______ respectively.