$A$: Aquatic organisms do not experience mechanical shocks while swimming in water.
$R$: Water is a liquid medium for swimming.

Consider the following four statements $(1-4)$ and select the correct pair of adaptations shown by desert lizards to manage their body temperature in their environment.
$(1)$ Burrowing into the soil to escape high temperatures.
$(2)$ Losing energy rapidly from the body during high temperatures.
$(3)$ Basking in the sun when the temperature is low.
$(4)$ Covering the body with a thick,fatty skin.

$A$ group of two or more than two plant species is called as

The biosphere is composed of ......

Which of the following are examples of short-term adaptation?
$(1)$ Accumulation of melanin in the skin
$(2)$ Utilization of stored fat by animals during hibernation
$(3)$ Seed dormancy
$(4)$ Phototropism of stems and geotropism of roots

Where are tuna fish found in the ocean?