What path does a molecule of o2 take from the nose to the respiratory surface? pharynx → larynx → trachea → bronchus → bronchiole → alveolus larynx → pharynx → trachea → bronchus → bronchiole → alveolus pharynx → larynx → bronchus → bronchiole → alveolus → trachea pharynx → larynx → trachea → bronchiole → bronchus → alveolus?

Which term best describes a community in which people work mostly in factories? a.agricultural. b.hunting and gathering. c.domesticated. industrial.

Joe is breeding cockroaches in his dorm room. he finds that the average wing length in his population of cockroaches is 4 cm. he chooses the six cockroaches that have the largest wings; the average wing length among these selected cockroaches is 10 cm. joe interbreeds these selected cockroaches. from earlier studies, he knows that the narrow-sense heritability for wing length in his population of cockroaches is 0.6. a. calculate the selection differential and expected response to selection for wing length in these cockroaches. b. what should be the average wing length of the progeny of the selected cockroaches?

What was the land like over 500 million years ago? what was under the sea?