Antibiotics germs killed immune system in the human body
Answer:
Sperm and egg have 23 the number of chromosomes as a body cell.
Hope this helps =)
Answer: Diseases are caused by a biological agent.
Germ theory of disease, the currently accepted theory of disease, says that many diseases are caused by microorganisms. These microorganisms are biological agents, too small to see without a microscope, they invade humans and animals to be able to grow and reproduce. These "Germs" can be protists, bacteria,fungi, viruses, prions, or viroids.
Answer:
robert hooke
Explanation:
Robert hooke used a compound microscope to see chambers within cork and named them cells during the development of cell theory.