ake a random sample of the sporophyte population in your dish by counting up to 50 individuals and identifying the phenotype. Remove the lid of the petri plate and carefully count the largest leaf in each of the plants, taking care to count each individual only once. What is the observed ratio in the F2 sporophyte generation

Hmmm i'm not sure about this one

Iguess i would say diagrams would be most difficult subject too correct

It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on