397: What's Eating You? -- Pennisi 307 (5717): 1897 -- Science
What's Eating You? -- Pennisi 307 (5717): 1897 -- Science. Tadpoles have to trade-off between tail size (speed) and gut size (food absorbtion) based on levels of predation. Chemicals produced by predators induce tail growth, higher food competition induces gut growth. This is an evolved response which allows adaptation to changing environments.