Evolutionary most of animals change their teeth over time . So reason Evolution
Answer;
Engine
The mitochondrion in a cell is most like an Engine in its function.
Explanation;
-Mitochondria are known as the powerhouses of the cell. They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell. The biochemical processes of the cell are known as cellular respiration.
-Cellular respiration is a metabolic pathway that breaks down glucose and produces ATP. The stages of cellular respiration include glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation.
Which is...when tumors cause blood vessels from the circulatory system to grow into the tumor ,preventing oxygen and nutrients from travelling to other cells
Evolution is the idea that creatures or plants start at a more primitive level and over time adapt to the environment until they are completely adapted. A great example are the finches as depending on what food was available their beak changed over generations to give them an advantage.