the data is not actual data and is only an approximation. I got 100 on a test, your welcome))
Answer:
Classification system changes because the scientists find new evidence in their studies.
Explanation: The world is always changing and growing and dying as well as developing, so over time things change. For example, as you grow up do you stay the same? No, you notice the physical changes happening, well thats sort of like how the earth and its ways are always changing as well.
Answer:
Active transport is the movement of particles from an area of low concentration to an area of high concentration using a force.
<span>A sperm cell has half of the chromosomes than other animal cells I think</span>
