The snakes are included under
Saprophytes
Primary consumers
Second trophic level
None of these
Assertion : In a food chain, members of successive higher levels are fewer in number.
Reason : Number of organisms at any trophic level depends upon the availability of organisms which serve as food at the lower level.
Which of the following organisms convert plant matter into animal matter?
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 :
$(a)\quad(b) \quad(c) \quad(d)$
How many sentence are correct?
$(1)$ The trophic levels in $GFC$ are unlimited
$(2)$ Organisms at each trophic level depend on those at the higher trophic level for their energy demands.
$(3)$ Plants capture only $2 -10$ percent of $PAR$.
$(4)$ All organisms are dependent for their food on producers, either directly or indirectly.
Herbivores are called