Blog

Dumbo octopuses have developed ear-like fins, or “wings,” that help them move in an energy-efficient manner. This is an example of:  (3 points)

What are vasa vasorum? 

Match the major arteries with the letters in the following picture.    

Hematocrit of the blood is clinically important because it ________.

Which structure is the erectile tissue in penis which causes erection when it is filled with high pressure blood?

Which WBC turns to mast cells in tissues and releases the chemicals like histamine in inflammatory reactions?

The outermost layer of a blood vessel, which is composed chiefly of collagen fibers, is the ________.

Which statement best describes the evolutionary patterns observed in Darwin’s finches? (3 points)

Which sequence best represents the correct order of enzyme activity during DNA replication? (3 points)

The wolf populations in Yellowstone National Park and Isle Royale differ in their levels of gene flow. Yellowstone wolves occasionally receive immigrants from surrounding regions, while Isle Royale wolves are largely isolated on the island with very few new individuals joining the population. Which of the following statements best describes the difference between these populations? (2 points)