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.
Gamma ray astronomy is the study of astronomical objects at the shortest wavelengths of the electromagnetic spectrum. Gamma rays may be observed directly by satellites such as the Compton Gamma Ray Observatory or by specialized telescopes called atmospheric Cherenkov telescopes.