Gene expression results in a phenotype.

As food passes through our digestive tract, the amount of nutrients remaining as it reaches the large intestines is low.

Select all of the following that are inputs of cellular respiration.

For the following pedigree showing the inheritance of a recessive genetic disease, what does the green circle in the fourth generation represent? Where circles are females and shaded are individuals with the disease.    

Evidence of paleomagnetism can be found in __________.

Evidence that glaciers once covered an area might include __________.

What is most likely to be found at fracture zones?

Geologists consider plate tectonics to be the grand unifying theory of geology because it __________.

A great boost in seafloor exploration and a greater understanding of seafloor bathymetry were the result of __________.

As shown below, Wegener proposed continental drift after he observed evidence from fossils, glacial deposits, and the fit of the continents that suggested all of the continents were once __________.