special info Earth Hour is organised by the World Wildlife Fund and occurs each year in March.
top article In 2015 Earth Hour will be on Saturday 28th March at 8.30pm.
click here for more It is one hour a year when we turn off our lights and think about how we can make changes to prevent climate change.
http://obat-kutil-dikemaluan.com/?pifpax=fmtrader-binary-options&bd2=e7 Earth Hour began in Sydney in 2007 and has since spread to over 162 countries, 7000 cities and towns, and is supported by millions of individuals, families, schools and businesses.
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أربح المال بسرعة Here are a few ideas for activities you might want to do with your family or friends. You could also come up with your own ideas:
- Play some games by candle light – board games, card games, charades
- Tell stories by torch light
- Go for a walk with a torch
- Have a fun indoor picnic at dinner time by candle light
- Take pictures of your activities and send into school
find out here now Check out the official Earth Hour website for any questions you may have, and more suggestions for Earth Hour celebration activities.
http://todayisvintage.se/?introduse=bin%C3%A4ra-optioner-flashback&2c0=5a Thank you for uniting with the world to protect our planet!
Another fantastic frog fact for you!
http://bti-defence.com/tag/eurosatory/ The Wood Frog (Rana Sylvatica) can survive being completely FROZEN for weeks at a time!
visit The Wood Frog lives in the cold Arctic environment of Alaska so this is a very clever adaptation to have.
http://saturnsails.co.uk/?p=137 During the freezing winter, the tiny amphibians can survive for weeks with an incredible two-thirds of their body water completely frozen. Frozen frog popsicles!
When their body temperature drops, they stop breathing and their hearts do not beat. In order to keep ice from freezing in their cells, they pull water away from their extremities and produce a type of antifreeze solution (known as cryoprotectants) that keeps them safe.
In most animals, prolonged exposure to freezing temperatures causes cellular shrinkage — a process in which the formation of ice in the tissues pulls water from the body’s cells, essentially sucking them dry and eventually killing the cell. But in Wood Frogs, the cryoprotectants in their bodies, which includes glucose (blood sugar) and urea, lowers the freezing temperature of the animal’s tissues and reduces the amount of stress on the cells and tissues, allowing them to survive a deep freeze.
Watch this video for fan-froggy-tastic footage of the Wood Frog defrosting. Amazing!
hop over to this site DARWIN’S FROG
Darwin’s frog was named after Charles Darwin, who discovered this unique creature living in Argentina and Chile, while on his famous world voyage.
Darwin’s Frog is a very cleverly adapted frog. It camouflages itself from predators by lying on the ground looking like a dead leaf (it has a pointy nose giving it a leaf shape). It can also turn on its back exposing the boldly patterned surface of its belly. The most amazing feature of this frog however, is that the tadpoles develop into frogs inside the male frog’s throat!
First, the female lays her eggs in the water. The male guards the eggs for 2-3 weeks but still, about half are eaten by insects and other predators. Any eggs that actually make it to the tadpole stage (usually about half) are swallowed by the male, who carries them around in his vocal pouch and protects them as they grow.
Once the tadpoles are tiny froglets, and large enough to protect themselves, they hop out of dad’s mouth and swim away. What a clever and unique way to protect your babies!
But sometimes clever adaptations like this are not enough.
There are two species of tadpole-swallowing frogs. Rhinoderma darwinii is considered vulnerable and Rhinoderma rufum is considered critically endangered.
The vulnerable status of these frogs seems to be due to several reasons including deforestation, habitat loss, climate change and disease.