Biologists think that endosymbiosis gave rise to mitochondria before plastids partly because __________. 

Of the four supergroups of eukaryotes, which one contains red algae, green algae, and all land plants? 

Which is the correct way to write the scientific name for humans?

Which process occurred frequently in the early history of the three domains on Earth and makes determining phylogenetic relationships of that time difficult? 

In Tree 3, what is the character “a”?

In which value chain activity does the following example best fit? “Amazon’s ability to deliver millions of orders in less than two days with its Prime Service.”

Which one of the following is a benefit from the lock-in strategy?

The Long Tail theory suggests that, as the Internet makes X easier — and uses state-of-the-art recommendation systems that allow consumers to become aware of more obscure products — demand will shift from the most Y products at the “head” of a demand curve — as charted on a XY axis — to the aggregate power of a long “Z” made up of demand for many different niche products. What are X, Y, and Z?

Consider the following Value Chain for Ford Motor Co., as analyzed for the past decade of the company’s operations. The percentages shown is the proportion of value added to the manufacturing of a Ford automobile.  Which process adds the most value to the manufacturing of Ford automobiles?

Which one of the following is NOT a major type of e-commerce model?