2. classify do all organisms shown in figure 18-4 that belong to the class mammalia also belong to the genus ursus? explain.

At the complete end of cellular respiration, how many molecules of atp are produced?               a.  15    b.  26    c.  38    d.  34 

Which plate boundary causes plates to collide forming mountain ranges, volcanoes, and island arcs? give an example of this type of plate boundary. 2. at which plate boundary do rifts and mid-oceans ridges form? give an example of this type of plate boundary. 3. at which plate boundary do plates slide past each other while moving in opposite directions? give an example of this type of boundary.

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?