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Following is a transcript of the video.
Narrator: If you doubled in size, your weight would be eight times greater. That’s the trouble with growing tall. Gravity’s pull is keeping us all down. But there are a few earthly giants that have fought gravity, and won.
The key to growing tall is how you use your energy. That’s why the tallest trees outrank any animal on Earth. Because trees spend all their energy on one thing- growing taller than their fellow neighbors. And there are two trees that are the best growers of them all- giant Redwoods and Mountain Ashes. Redwoods are renowned as the tallest life forms on Earth. But some experts think that Mountain Ashes could grow even taller if humans would stop cutting them down. In fact, the tallest Mountain Ash was just 1 meter shorter than the tallest Redwood.
Unlike plants, animals spend energy on all sorts of tasks like eating, walking, and staying warm. So, they can’t grow as tall. But it doesn’t mean they’re small, either. If you measured this African Elephant from shoulder to ground it would actually be taller than a Giraffe! But thanks to their long, strong necks, giraffes are the tallest …read more
Source:: Businessinsider – Life