In 2-3 sentences, explain how crossing over and independent assortment in sex cells affect the appearance of the fully developed organism.

so whats the answer

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

b. to discover aspects of the natural world.

hopefully i .

1. is geographic distribution

2 is increasing complexity

3 is transitional forms