A morphogenetic field (a subset of morphic field) is a hypothetical biological field that contains the information necessary to shape the exact form of a living thing, as part of its epigenetics, and may also shape its behavior and coordination with other beings. This hypothesis is not accepted by the scientific community, who consider it pseudo-scientific.
DNA has been found to have a bizarre ability to put itself together, even at a distance, when according to known science it shouldn't be able to. Explanation: None, at least not yet.
Gordian worm live inside crickets for long periods, feeding on the cricket's diet. Once fully grown, they inject chemicals into the cricket's brain brainwashing it and forcing it to kill itself by jumping into the water. Once in water, the worm wriggles out of the writhing body and swims off in search of a mate.