Animals Making Their Own Essential Nutrients: Carotenoids

sciencedaily.com — The insects known as aphids can make their own essential nutrients called carotenoids, according to new research. No other animals are known to make the potent antioxidants, which are crucial for life. Until now scientists thought the only way animals could obtain the orangey-red compounds was from their diet. Apr 30, 2010 View in Crawl 4