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Biomes of the World: Deserts

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hassan algharib

on 10 September 2012

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Transcript of Biomes of the World: Deserts

Deserts are one the hottest biomes in the world.They have hills made of all sand.

In this presentation we will be explaining adaptations of animals and plants,climate and temperature,one ecosystem in the Australian deserts and how the animals survive in these extremely hot lands. THE CLIMATE AND TEMPERATURE The average climate and temperature is about 20-25 degrees Celsius,just the normal hot days in Australia.
The hottest climate and temperature is about 43-45 degrees Celsius,so if this temperature was in Australia I would have the air conditions on max and i would never go outside. ANIMALS AND PLANTS
IN THE DESERTS BILBY A bilby is a bandicoot
It has a black tail with a white tip
Bilbies eat insects and fruits
They have greyish fur and ears like a rabbit
Bilbies are spotted in the northern territory of Australia where the hot and dry areas are KOWARI Kowari is a small marsupial mouse
They are carnivores[eat meat]that live in grasslands and deserts in Australia
A kowari's diet is spiders, insects, small lizards, birds and rodents
They live in burrows under the ground, sometimes alone and sometimes in small groups TWO ANIMALS PLANTS ADAPTATIONS ADAPTATIONS The kowri is a solitary animal that marks it's territory with secreations from leaving scats and urine at certain places through their home.Kowri are very aggressive with much hissing and chattering and thrashing of it's tail. Bilbies are nocturnal and have powerful forelimbs and strong claws for digging. Their vision is poor, but their sense of smell and hearing are acute. They rarely need to drink. KANGAROO PAW The red and green kangaroo paw's adaptations are tiny wooly hairs on its flowers. The little hairs help by making it taste weird to predators, so they won't eat it. The little hairs also help by holding on to water because it grows in a dry climate. It also has adapted by having a sturdy stem for its pollinators to perch on. ADAPTATIONS The red and green kangaroo paw is the floral emblem of Western Australia. What really catches the eye is the plants green unscented flowers that can grow up to 10 centimeters long. The green furry flowers are attached to the sturdy red stem. The sturdy stem makes a perfect perch for many birds, and can grow to a meter high. STAURTS DESERT PEA Staurt's Desert Rose is a woody shrub, closely related to cultivated cotton, found in most mainland states of Australia and the Northern Territory. It has a life cycle of about 10 years, grows from 1–2 m tall and 1–2 m wide. ADAPTATION The Sturt's Desert Rose is found in sandy and gravelly soils, along dry creek beds, watercourses, gorges and rocky slopes. This means that it must be able to store and conserve water. Adaptations for this plant include:

A strong internal structure. This prevents Tilting and reduces sweat.

There are fewer stomata or they are protected. The stomata on the Staurt's Desert pea are found on the underside of the leaf. This means reduced water loss.

They have internal water storage. This reduces the need to rely on rain to stay watered. These sources could be in the trunk, root system or leaves.

Deep root systems. They are able to reach the water deep under the ground. TO PRESERVE THE KANGAROO PAW FROM EXTINCTION TRY TO GIVE IT MORE WATER AND YOU CAN TRY THIS IN YOUR HOME. THE KANGAROO PAW LIVES UP TO 10 YEARS IN THE DESERT WITH HARDLY ANY WATER. BUT WHEN PLANTED IN A PLACE WITH MUCH WATER IT CAN LIVE UP TO 25 YEARS. PRESERVATIONS KANGAROO PAW the stuarts pea is a rear desert plant only found in Australia in the city of Alice Springs. what we can do to help preserve this woderful plant from extinction, is to take one ore two of this plants side black balls. don't worry they will regrow but these black balls when planted each make a batch of it's kind STUARTS PEA Kowari bilby Importantly, very interesting work is being carried out by local Aboriginal communities in the Outback, close to the areas where the bilby still exists in its traditional habitat and natural environment. For these communities, the bilby is not only a lovely animal, but a very important part of their culture and spiritual beliefs, literally going back tens of thousands of years. BILBY KOWARI VOCABULARY LIST (words you might not understand) ADAPTATIONS: the act of adapting. BIODIVERSITY:diversity among and within plant and animal species in an environment. BIOM: characterized by distinctive plant and animal species and maintained under the climatic conditions of the region, especially such a community that has developed to climax. DEVELOP: to learn to do something CLIMAX: characterized by distinctive plant and animal species and maintained under the climatic conditions of the region, especially such a community that has developed to climax. THANX FOR
WATCHING Now we will be showing a video one of the ecosystems in the Australian deserts...... A kowari is an endangered species. It is a small marsupial rarely recognised. So not many of them die because of other friendly animals that live in Australian deserts. It is an animal really admired by aboriginals. HASSAN AHMED
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