Life Science Section 6A Quiz Practice

Match it! Select the correct answer from the pull down...Good luck!

The reason the earth hasn’t been destroyed by bacteria is that the conditions must be exactly right for bacteria to _______ so quickly.

_______ need nitrogen to grow, but they can’t use the nitrogen gas in the atmosphere.

Scientists and doctors have known for many years that the human body harbors ______ of bacterial cells.

Bacteria living in the different temperature areas of the Grand Prismatic Spring produce the different _______.

The hot, rainbow-colored waters of the Grand Prismatic Spring in Yellowstone National Park, would be _______ for a human.

Most microbiota are ________. In fact, many are beneficial.

Many of the bacteria in your microbiota keep other, less friendly _______ from starting to grow in or on your body.

Because a bacterium lacks a nucleus, its DNA, which forms a circular _________, is suspended in the cytosol.