How are living things classified into major groups by the structures of their body systems?

What is the difference between bacterial infections and viral infections?

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )

Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b. organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.