Describe the function of these terms and describe where they are located: main bronchus, trachea, alveoli.

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.

multiply it by 5 in order for you to understand i cant give an exact answer.

plato users:

d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.