The amount of living matter present in an ecosystem at a given time is called
The amount of living matter present in an ecosystem at a given time is called
- A
Biomass
- B
Standing crop
- C
Standing state
- D
Productivity
Similar Questions
Consider the following statements concerning food chains.
$I$. Removal of $80\; \%$ tigers from an area resulted in greatly increased growth of vegetation.
$II.$ Removal of most of the carnivores resulted in an increased population of deers.
$III.$ The length of food chains is generally limited to $3$ to $4$ trophic levels due to energy loss.
$IV.$ The length of food chains may vary from $2$ to $8$ trophic levels.
Which two of the above statements are correct?
Consider the following statements concerning food chains.
$I$. Removal of $80\; \%$ tigers from an area resulted in greatly increased growth of vegetation.
$II.$ Removal of most of the carnivores resulted in an increased population of deers.
$III.$ The length of food chains is generally limited to $3$ to $4$ trophic levels due to energy loss.
$IV.$ The length of food chains may vary from $2$ to $8$ trophic levels.
Which two of the above statements are correct?
Secondary producers are
Secondary producers are
In food chain initial organisms are
In food chain initial organisms are
Most animals that live in deep oceanic waters are
Most animals that live in deep oceanic waters are
- [NEET 2015]
The second trophic level in a lake is
The second trophic level in a lake is