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Plants with toxic alkaloids - University of Washington

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<strong>Plants</strong> help snails to defend against insects!<br />

Snails are slow animals, both in the speed <strong>of</strong> their locomotion & nervous<br />

transmission. How do these sitting ducks defend against ants.<br />

When you poke a slug<br />

<strong>with</strong> a toothpick & wiggle<br />

it, the slug will produce a<br />

rubbery blob around the<br />

tip. Ant would be muzzled;<br />

fixed mandibles<br />

How do snail eggs survive from being eaten?<br />

They are protected by an isoprenoid= terpene called miriamine.<br />

R: Thomas Eisner “ For love <strong>of</strong> insects” Harvard <strong>University</strong> Press, 2003

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