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.
Depending on what aspect of radiation is being measured, different terms are applied: 1  For the amount of radiation being given off by a radioactive material: the conventional unit is curie (Ci) and the SI unit becquerel (Bq).  For radiation absorbed by a person: the conventional unit is rad and the SI unit gray (Gy).