Feral cats kill large numbers of native wildlife in australia. one feral cat can kill up to 50 native animals in one night. which technology would allow environmental scientists to take pictures of the cats' nighttime activities? a. environmental dna (edna) surveillance b. unmanned aerial systems (uas) c. acoustics d. gel electrophoresis

The correct option is A.
Environmental DNA surveillance is used for detection and monitoring of invasive animal species in aquatic and terrestrial ecosystem. The surveillance method provides information for the management personnel about the existence of alien species or outbreak of diseases. Early detection is always crucial in this case in order to prevent fatal consequences.

The technology that would allow environmental scientists to take pictures of the cats' nighttime activities would be Environmental DNA (eDNA) surveillance so the answer to your question is letter A. The environment surveillance will help them see if there are problems in the animals.