The chemical symbol for Sodium is

Which condition guarantees a process is spontaneous?

Which statement best sums up the flow of energy through living systems?

Darwin observed that the finches on one of the islands of the Galapagos had beaks that were large and strong and used for cracking open the hard exterior of nuts to get to the nutrients inside. He postulated that long ago, the finches had weak beaks like those of neighboring islands, but those finches with slightly stronger beaks could eat more nuts, have more food and have a better chance of surviving long enough to produce offspring. Their offspring would inherit the genes for strong beaks, and they in turn would be more likely to reproduce. Over time all the finches would have beaks that were strong as they would out compete those finches with weaker beaks.  This is an example of

When two atoms are held together because one atom is positively charged and the other atom is negatively charged, we call it a 

The chemical symbol for carbon is

Which word or phrase best describes one of the major functions of the endomembrane system (ER and golgi)?

Which process takes place in the stroma of a chloroplast?

Which of the following involves a cell extending pseudopods to surround a bacterium, then engulfing the bacterium into the cell, resulting the bacterium being surrounded by an endosome (this term literally means “cell eating”)?

If solution A had solutes in it and solution B was pure water (with zero solutes), then