Which of the following is the most ecologically relevant environmental factor?

Plants adapted to grow in shade are

Choose the correct sentence.

What are the average annual temperature and annual precipitation range for a desert biome?

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.

Differentiate between Heliophytes and Sciophytes.