How many of the following pairs are correct regarding the thermal tolerance of organisms?
$(1)$ Aves - eurythermal
$(2)$ Mammals - stenothermal
$(3)$ Amphibia - stenothermal
$(4)$ Reptile - eurythermal

When an organism moves away temporarily from a stressful habitat to a more hospitable area and returns when the stressful period is over,what is this process called?

Which of the following pairs of plants,their habitat,and forest type is correctly matched,where they are typically found to occur?

Provide information about the natural habitats of organisms.

Just as a person moves from Delhi to Shimla to escape the summer heat,where do thousands of migratory birds migrate from the extremely cold regions of Siberia and the North Pole?

Given below are two statements:
Statement $I$: Stenohaline animals tolerate a wide range of salt concentration.
Statement $II$: Euryhaline animals are capable of handling a narrow range of salt concentration.
In the light of the above statements,choose the most appropriate answer from the options given below: