Ascientist observes how a particular south american bird cares for its young. why is a field study an appropriate type of scientific investigation? a. it allows the scientist to simulate the natural environment of the bird in the laboratory. b. it allows the scientist to conduct a controlled experiment. c. it allows the scientist to watch the animals without disturbing them or their environment. d. it allows the scientist to change how the bird cares for its young. whoever answers get brainliest answer