The phosphates remain outside the natural cycle for a long time
The phosphates remain outside the natural cycle for a long time
- A
When they form compounds with metals
- B
When they are incorporated in bone and teeth
- C
When the bodies of the organisms excrete and decompose
- D
Both $(a)$ and $(b)$
Similar Questions
Given below are four statements $(a-d)$ each with one or two blanks. Select the options which is correctly fill up the blanks into two statements.
$(a)$ Ecological succession is a...$(i)$... and fairly predictable changes in the ....$(ii)$... of a given area
$(b)$ Ecological succession, entire sequence of communities that successively change in given area are called ...$(i)$....
$(c)$ Primary succession occurs on...$(i)$...
$(d)$ Secondary succession is ...$(i)$... than primary succession
Given below are four statements $(a-d)$ each with one or two blanks. Select the options which is correctly fill up the blanks into two statements.
$(a)$ Ecological succession is a...$(i)$... and fairly predictable changes in the ....$(ii)$... of a given area
$(b)$ Ecological succession, entire sequence of communities that successively change in given area are called ...$(i)$....
$(c)$ Primary succession occurs on...$(i)$...
$(d)$ Secondary succession is ...$(i)$... than primary succession
Which one is not a trait of xerophytes
Which one is not a trait of xerophytes
Which of the following ecosystem has the highest gross primary productivity
Which of the following ecosystem has the highest gross primary productivity
- [AIPMT 2004]
Phosphorus is a major constituents to make..........in animals
$A$ : During succession, nutrient availability decreases while biomass level increases.
$R$ : $NCP$ (Net community productivity) remains same during succession.
$A$ : During succession, nutrient availability decreases while biomass level increases.
$R$ : $NCP$ (Net community productivity) remains same during succession.