Six weeks gestation is confirmed in a 23 year old, moderately overweight, patient. she asks the nurse practitioner, "should i diet so i won't gain too much baby fat? " the nurse practitioner appropriately responds:

Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.

You want to cultivate some exotic plants at your farm. however, the climate is chillier than the temperature range favorable to the crop. which is the best method to use for the cultivation of this exotic crop? a. use a crop rotation method b. use a lot of fertilizer c. prepare the seed bed properly d. use a greenhouse e. use irrigation

Which of the following explains why a tree is often used as a model to represent the principle of common descent