Deserts

Biome description• Definition - Deserts are areas that have widely

scattered vegetation and receive very little rain.• Temperature changes rapidly during a 24 hour

period – Very hot during the day and very cold at night

• Deserts are often located near mountain ranges. – Mountains block the passage of rain

Plants in the desert

• All plants have adaptations for conserving water. These plants are called succulents – They have thick fleshy stems and modified leaves

to store water– They also have a waxy coating that prevents water

loss– Many roots spread out just under the surface of

the soil why? Speak with group….• To capture as much moisture as possible

Animals in the desert

• Animals need adaptations as well to survive in this harsh habitat some of these include…..– Thick scaly skin……reptiles– Some sleep through the whole dry season like the

spadefoot toad• http://www.youtube.com/watch?v=D4i3AB320zk

– The elf owl burry in cactus… to keep cool– Most animals are nocturnal which means they stay

active at night or at dusk when it is cooler

Your task…….

• You need to create a plant or an animal that can survive in the desert….

• You need to include the following:– a picture – a list of five characteristics that help it survive in the

biome– Any special adaptations – What it eats and where it lives

• Be prepared to share your animal with the class