Consider the following four statements $(1-­4)$ about certain desert animals such as kangaroo rat.

$(1)$ They have dark colour and high rate of reproduction and excrete solid urine.

$(2)$ They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs.

$(3)$ They feed on dry seeds and do not require drinking water.

$(4)$ They excrete very concentrated urine and do not use water to regulate body temperature.

Which two of the above statements for such animals are true ?

Solubility and availability of plant nutrients are more related to

Homeostasis is

The organism which tolerate wide range of salinity called …$A$…

$II.$ The organism which tolerate narrow range of salinity called …$B$…

Choose the correct option for $A$ and $B$