d eserts by hina javed trish tieu and melody cruz
TRANSCRIPT
TemperatureHot Deserts-43.5 to 49° C (summer)
20 to 25° C (winter)Cold Deserts- -2 to 4° C (winter)
21 to 26° C (summer) Rainfall- less than 30 percent per year
CHARACTERISTICS Adaption's to low
rainfall Plants:
Water-storing leaves and stems
Thick epidermal layers to reduce water loss
Salt tolerance Plants are mainly
ground-hugging shrubs and short woody trees
Adaptions to low rainfallAnimals
Nocturnal (avoid sun’s heat) Rodents have highly concentrated urine and feces
TYPES OF ORGANISMS Plants
Low growing shrubs Water storing plants
• Insects and arachnids• Reptiles• Mammals • Birds
Primary Consumers Desert insects [locust, yucca moth, ants] Rodents [Kangaroo Rats] Reptiles [Lizards]
Sahara Desert
SAHARA DESERT:TOP CARNIVORES
Small Carnivores Tarantulas Scorpions Lizards Snakes
Large predators Knit Foxes Hawks
COLD DESERTS The deserts that occur
in Greenland, Antarctic and the Nearctic areas are called cold deserts
characterized by cold winters with snowfall and high overall temperatures throughout the winter and sometimes the summer too
The main plants in this area are deciduous