Only a small amount of the energy stored in food is available to the next organism in a food chain because
There are more producers than consumer in a food chain
There are fewer top consumers than producers in a food chain
Primary and secondary consumers compete for food
Most of the energy is used for life processes
Food chain consists of
The bacteria which attack dead animals are
In an ecosystem
Match the trophic levels with their correct species examples in grassland ecosystem.
$(a)$ Fourth trophic level | $(i)$ Crow |
$(b)$ Second trophic level | $(ii)$ Vulture |
$(c)$ First trophic level | $(iii)$ Rabbit |
$(d)$ Third trophic level | $(iv)$ Grass |
Select the correct option :
$(a)\quad(b) \quad(c) \quad(d)$
Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem?