Most deserts receive less than 300 mm a year compared (3) _______ rainforests, which receive over 2,000 mm.

Some desert plant species have a short life cycle of a few weeks that (10) _____ only during periods of rain.

Some plants, such as cacti, (9) _____ water in their stems and use it very slowly …

Since desert conditions are so severe, the plants that live there need to have (8) _____ to compensate for the lack of water.

The temperature also varies greatly depending on the (7) _____ of the desert.

The daytime temperature averages 38°C (6) _____ in some deserts it can get down to -4°C at night.

because the air is (5) _____ dry that heat escapes rapidly at night.

The temperature in the desert can (4) _____ drastically from day to night because the air is….