Answer: white blood cells
Explanation: They fight off the bad bacteria.
Answer:
Decrease a person ability to hear because pinnae funnel sound into the ear canal and if its enlarge example swollen, the tunnel will be more narrower for sound to pass
Endosymbiotic theory is a theory of evolution that eukaryotes came from prokaryotes. Mitochondria and chloroplasts both have the double membranes. Each of them also contain genetic material that are replicated with a separate cell cycle. Both organelles have their own ribosomes.
Answer:
Active Transport
Explanation:
Active Transport is moving substances from lower concentration to a higher concentration.
A. Extinction is a natural part of life on earth