A lizard-like member of reptila is sitting on a tree with its tail coiled around a twig. This animal could be
Hemidactylus showing sexual dimorphism
Varanus showing mimicry
Garden lizard (Calotes) showing camouflage
Chamaeleon showing protective colouration
Eurythermals are the organism which
Which of the following factors cannot be regarded as belonging to a non-living environment
When young plants are grazed too heavily, they get killed because of
In most animals, the metabolic reactions proceed in a ...$A$... temperature range (in humans, it is $37^{\circ} C$ ). But there are microbes (archaebacteria) that flourish in hot springs and deep sea hydrothermal vents where temperature far exceed ...$B$...
Choose the correct option for $A$ and $B$
Positively photoblastic seeds germinate only in presence of