Which of the following is a climatic factor?

The salinity in sea water in parts per thousand $(ppt)$ ranges between

Halophytes are

Match the following:

Column-$I$	Column-$II$
$(a)$ Thrive in wide range of temperature	$(i)$ Eurythermal
$(b)$ Tolerant of a wide range of salinities	$(ii)$ Stenothermal
$(c)$ Thrive in narrow range of temperature	$(iii)$ Euryhaline
$(d)$ Tolerant of a narrow range of salinities	$(iv)$ Stenohaline

Write a short note on:
$(a)$ Adaptations of desert plants and animals
$(b)$ Adaptations of plants to water scarcity
$(c)$ Behavioural adaptations in animals
$(d)$ Importance of light to plants
$(e)$ Effect of temperature or water scarcity and the adaptations of animals.

Mangroves are