Eurythermal animals and plants are those which

Consider the following four conditions $(i-iv)$ and select the pair that represents the adaptation of desert lizards to their environment.
$(i)$ Burrowing into the soil to escape high temperatures.
$(ii)$ Rapidly losing body heat during high temperatures.
$(iii)$ Basking in the sun and absorbing heat when the temperature is low.
$(iv)$ Insulating the body due to a thick layer of fat.

Where are tuna fish found in the ocean?

Plants growing on sand and gravel are called

Among the plants listed,point out one that does not fit into the ecological group represented by the other plants.

The ecological niche of a population is a