Which is adapted for aquatic habit
Aldrovenda
Vallisneria
Sancatia
All of these
Explain structure and functions of Ecosystem.
$A$ : Stratification helps in accommodation of a large number and types of plants in the same area.
$R$ : It is the occurrence of horizontal zonation in the ecosystem.
The two components of an ecosystem are
$A$ : Agriculture and aquacultures are man maintained ecosystems.
$R$ : All biotic and abiotic factors are managed by humans in these ecosystems.
An ecosystem contains