An organism that reproduces sexually has a diploid number of 40. how many chromosomes will a gamete of this organism have?

Which could be a pathway of food through an ecosystem

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?

If t=tall and t=short what will be the physical appearance of the offspring the cross below? a.some will be tall and some will be short b.they will all be tall c.they will all be short d.they will be medium height