Name 1 way microorganisms are beneficial in the field of food production.

When growth in a tube is seen only on the upper layer of broth, this indicates the bacteria is 

Blood agar plates are often used to support the growth of _______ species. 

UV light destroys microorganisms by damaging what? 

(02.05 HC) In 2015 in Alaska, an enormous number of walrus females and their calves gathered on a single beach. In the past, the walruses would use sea ice as a place to rest and nurse their calves, but due to human activity and global warming, large amounts of the ice have melted. Explain what consequences could happen to the walruses and their ecosystem in this situation over time. (5 points)

(02.06 LC) During the nitrogen cycle, inorganic nitrogen from the atmosphere is converted into organic compounds. What is this process called? (3 points) © 2016 CC-BY-SA

(02.05 HC) The graph below shows ocean data relating to climate change. As the levels of carbon dioxide (CO2) in the atmosphere and in seawater increase, the pH of seawater decreases. Using the graph and your knowledge of marine science, what can you predict about the role of the ocean in affecting CO2 levels in the future and why? (3 points) © 2015, Ocean Portal (Smithsonian National Museum of Natural History)

(02.05 MC) Coral bleaching events are occurring in coral reefs around the world. Which statement best describes how human activity will likely continue to cause a loss of reef biodiversity? (3 points)

(02.06 LC) Researchers have found that plants can help to reduce various emissions, including carbon dioxide, because plants convert carbon dioxide to sugar and oxygen. What is the name of this carbon cycle process? (3 points)

(02.06 LC) Which cellular process in plants uses oxygen and breaks down organic molecules to release stored energy and produce carbon dioxide? (3 points)