Thursday, April 17, 2014

Underwater Astonishments

David Gallo's TED talk on underwater astonishments was fascinating. Watching how the animals can adapt and change themselves to help them survive was breath taking. David showed footage of how the animals could light themselves up to defend or camouflage themselves . Not only can these creatures use their abilities to change the color of their skin to disguise themselves but they can also use it to attract prey. The animals could just blend into the environment and they couldn't be spotted unless you knew they were there. Since many of these animals were hard to see David used videos to show the animals blending in in their natural environment. In one of the clips it showed how a squid could change colors to warn off opposing males. When facing another male the squid would turn white. However when with a female the male would split it's colors so the female would never see the white aggressive color but instead the more friendly color. He used many of his own experiences and knowledge to talk about the animals. He also had a sense of humor as well and made a few jokes. It's truly amazing what the creatures of the ocean can do and there is so little we that we  know about them. Only three percent of the ocean has been explored which shows how little we know about our own planet.

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