Which one of the following correctly represents an organism and its ecological niche
Vallisneria and pond
Desert locust (Scistocerca) and desert
Plant lice (aphids) and leaf
Vultures and dense forest
Clay soil is obtained
$X$ - In deep-sea hydrothermal vents where average temperature is between $25$ to $30^oC$
$Y$ - Reptiles and Amphibians are eurythermal
Organisms occupying similar ecological niche but different geographical areas of distribution are called as
Biogenetic law was putforward by
Choose odd one w.r.t., features of tropical rain forest