Give differences : Food chain and food web
Give differences : Food chain and food web
| Food chain | Food web |
| $(1)$ It is a linear sequence of organisms. | $(1)$ It is an inter connection of many food webs. |
| $(2)$ Organisms found on higher trophic level depend on any one type of organisms for food. | $(2)$ There are many alternative sources lie with an organisms for food. |
| $(3)$ Energy flow can we calculated easily. | $(3)$ The calculation of energy flow is difficult. |
Similar Questions
Consider the following four statements $(A-D)$ and select the correct option stating which ones are true $(T)$ and
which ones are false $(F)$.
Statements :
$(A)$ Vertical distribution of different species occupying different levels in a community is called stratification.
$(B)$ Net primary productivity minus respiration losses is the gross primary productivity.
$(C)$ Rate of biomass production is called decomposition
$(D)$ Annual net primary productivity of oceans is $55$ billion tons
(A)
(B)
(C)
(D)
Consider the following four statements $(A-D)$ and select the correct option stating which ones are true $(T)$ and
which ones are false $(F)$.
Statements :
$(A)$ Vertical distribution of different species occupying different levels in a community is called stratification.
$(B)$ Net primary productivity minus respiration losses is the gross primary productivity.
$(C)$ Rate of biomass production is called decomposition
$(D)$ Annual net primary productivity of oceans is $55$ billion tons
| (A) | (B) | (C) | (D) |
In the following, there is no difference.
In the following, there is no difference.
Justify the following statement in terms of ecosystem dynamics. “Nature tends to increase the gross primary productivity, while man tends to increase the net primary productivity”.
Justify the following statement in terms of ecosystem dynamics. “Nature tends to increase the gross primary productivity, while man tends to increase the net primary productivity”.
The second trophic level in a lake is
The second trophic level in a lake is
The rate of decomposition is faster in the ecosystem due to following factors $EXCEPT$
The rate of decomposition is faster in the ecosystem due to following factors $EXCEPT$
- [NEET 2020]