The phytoplankton in the ponds act as
Producers
Decomposers
Consumers
Organic compounds
Which of the food chains directly depends on solar radiations
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 an ecosystem energy flows in
Distinguish between
$(a)$ Grazing food chain and detritus food chain
$(b)$ Production and decomposition
The number of trophic levels in a food chain is limited to $4$ or $ 5$ because