Blood cells can be identified by their round appearance. Unlike plant cells, they do not have cell walls. At 40x, how many individual blood cells can be seen in the viewing field?

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Building glycogen from glucose molecules is an example of what