The mandibular second premolar functions more like a ____________________ than the mandibular first premolar.

Which of the following teeth is commonly involved in partial anodontia and may be congenitally missing?

To prevent the corpus luteum from degenerating, the developing placenta releases which hormone early in embryonic growth? 

Use the image below to identify the respiratory volumes and capacities

Which hormone begins to develop the vasculature and tissue growth of the endometrium during the menstrual cycle? 

Which blood cell produces antibodies?

How can the jasmonic acid help plants fight off attackers?

Males and females often begin development in utero with similar bipotential gonads. To initiate formation of genetic male characteristics, the ________ must be present and active. 

Which hormone is secreted by the zona glomerulosa of the adrenal cortex?

What is the primary role of phytoalexins in plant defense?