Tiktaalik 2
Tiktaalik was a evolutionary transition from fish to amphibian. It had gills and fins like a fish, but lungs and moist skin like amphibian. It evolved at a time when life was at a major crossroads and extinction of all life on earth. It believed to acted similar to a Mudskipper crawling out to land when water is low and crawl across land to find a new source of water.

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