Overlapping region between two ecosystems is called
Biome
Ecotone
Niche
Photic zone
Phosphorus is the major constituent of
$I.$ biological membranes
$II. $ nucleic acids
$III.$ cellular energy
Choose the correct option
Among the plants listed, point out one that does not fit into ecological group represented by other plants
Sun basket' is
Inorganic element that changes food into usable energy is
A lake ecosystem is