Cell division means reproduction, and in multicellular organisms it means growth. Cell division is important to replicate new DNA so that you don't die.
Answer:
Cyanobacteria are microscopic organisms found in all kinds of water. They are single-celled organisms and produce their own food from sunlight via photosynthesis. Cyanobacteria are important to evolution because they developed the oxygen atmosphere we live in by producing waste from cyanobacteria. Plants also evolved from Cyanobacteria.
The answer is d/ the fourth one
Answer: False
Explanation: Pitch does not depend on how fast or slow an object vibrates.