Answer:the result is evolution
Explanation: example it can be traced in Mesozoic era by modifications and removing of certain type of reptiles ie dinosaur
Answer:
express different genes
Explanation:
cells of a multicellular organism have the same genes with the same chromosomes
however their expression varies from cell to cell depending on their function
Answer:
As Jane exercises her heart rate and breathing rate increase because he muscles are asking for more oxygen and get rid of more carbon dioxide. More blood is diverted towards the muscles as they need more oxygen for respiration. She needs to burn glucose with oxygen and water to produce energy so she can run. The way she can get this oxygen into her body is through her lungs. Where oxygen from the air diffuses into the blood and carbon dioxide diffuses out.
Answer:
If the Universe holds enough matter, including dark matter, the combined gravitational attraction of everything will gradually halt this expansion and precipitate the ultimate collapse. Over time, galaxies, then individual stars, will smash into each other more frequently, killing off any life on nearby planets.
Explanation:
