Biology students at Science High spent the day swabbing surfaces throughout the school. They ran the swabs over a culture plate and then incubated the plates. 48 hours later, Carol and Jose checked their plate. "Please, do not open the cover of your culture plate!" warned their teacher. Why did the teacher give this warning? A) The life form was unknown to the teacher and she did not want to expose the students to any dangers. B) Spores from this potentially dangerous fungus would spread through the air and be inhaled by students. C) Carol and Jose's plate contains a streptococcus bacteria that could be potentially dangerous to humans. D) The culture revealed a potentially dangerous virus and if the culture plate was opened, the virus would spread rapidly.