1
Question
Select the correct match.
A Sedimentary nutrients cycle - Nitrogen cycle
B Pioneer species - Lichens C Secondary succession - Burned forests D Pyramid of biomass in sea - Upright
Select the correct match.
| A | Sedimentary nutrients cycle | - | Nitrogen cycle |
| B | Pioneer species | - | Lichens |
| C | Secondary succession | - | Burned forests |
| D | Pyramid of biomass in sea | - | Upright |
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Solution
The correct option is C B and C only
The nitrogen cycle is a gaseous biogeochemical cycle and pyramid of biomass is inverted in aquatic food chains, where the primary producers are phytoplanktons. Secondary succession is biotic succession on secondarily bare area e.g., an area devastated by forest fire or deforestation. Pioneer community refers to the first biotic community in a bare area. Plants that are first to invade the bare area are called as pioneer species, e.g., lichens (succession on rocks). Thus, the correct answer is option C.
The nitrogen cycle is a gaseous biogeochemical cycle and pyramid of biomass is inverted in aquatic food chains, where the primary producers are phytoplanktons.
Secondary succession is biotic succession on secondarily bare area e.g., an area devastated by forest fire or deforestation.
Pioneer community refers to the first biotic community in a bare area. Plants that are first to invade the bare area are called as pioneer species, e.g., lichens (succession on rocks).
Thus, the correct answer is option C.
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