Agonopterix alstroemeriana with the dry weight of the leaf. However, oviposition was not correlated positively with the concentration of alkaloids in the poison hemlock, which varies widely among individual plants. Therefore, it is difficult to predict whether increased alkaloids in the plant would increase or decrease the use of the hemlock moth as a biological control. The effects that the alkaloids in "Conium maculatum" cause on the moth, both physiologically and behaviorally, are relatively unknown. Persons interested in the biological control capabilities of "A. alstroemeriana" see behavioral dependency on the host plant as an asset when using this moth as a biological
What Is Life 16. It has since appeared on Newton-John compilation albums such as "" (1992) and "The Definitive Collection" (2002). In 1971, British easy listening pianist Ronnie Aldrich covered "What Is Life" (as well as "My Sweet Lord") on his album "Love Story". That same year, a version by the Ventures appeared on their "New Testament" album. Also in 1971, a Finnish-language version of the song, titled "Mikä Saa Ihmisen Elämään", was released as a single by local singer Oliver – better known as Veikko Laiho, of the Laiho Trio. In 1992, Nicola Sirkis covered the song on the album "Dans La