There are 5 main types of pathogens that can harm other organisms and cause diseases. They are viruses, bacteria, fungi, Protozoa, and worms.
They would test two subject/mice which is S-Strain and R-Strain to see the differences and scientific behavior. In the end one died which is S-Strain and the other lived which he later affirm the transforming principle by testing with the chemical itself. In turn out comes the Answer
A farmer intentionally breeds oranges to be more resistant to aphids.
Answer: they showed the body of an organism not the activities
Explanation:
Cells need water to survive for a dispose of waste