Predator-Prey Relationships. â¢ An interaction in which one animal (the predator) captures and feeds on another animal (the. prey) is called ______________________. â¢ Predators can affect the ___________ of prey populations in a community and determine the. places prey can __________________________________.redator-Prey Relationships. â¢ An interaction in which one animal (the predator) captures and feeds on another animal (the. prey) is called ______________________. â¢ Predators can affect the ___________ of prey populations in a community and determine the. places prey can __________________________________.
Noun. 1. Gy-the SI unit of energy absorbed from ionizing radiation; equal to the absorption of one joule of radiation energy by one kilogram of matter; one gray equals 100 rad. gray. radioactivity unit-a measure of radioactivity.
The absorbed dose is the amount of energy absorbed per unit weight of the organ or tissue and is expressed in units of gray (Gy). One gray dose is equivalent to one joule radiation energy absorbed per kilogram of organ or tissue weight. Rad is the old and still used unit of absorbed dose.