Question | Answer |
Bacteria are classified into two __________. | Kingdoms |
The kingdoms are ________ & _________. | eubacteria & archaebacteria |
________ bacteria are often found in extreme locations and are divided into groups based on where they live or how they get energy. | archaebacteria |
Some live in ________,_______, or very ________ environments. | acidic, salty, hot |
__________ is the largest kingdom of bacteria. | eubacteria |
__________ produce their own food and are commonly called blue-green bacteria. | cyanobacteria |
Some cyanobacteria, however, can be ________, black, or _____ in color. | yellow, red |
Cyanobacteria provide _________ and _________ fir aquatic life. | food, oxygen |
However, an overabundance of cyanobacteria produces a ________, which can be harmful to aquatic life. | bloom |
Most bacteria reproduce by _________, creating two new __________ cells; | fission, identical |
Some bacteria exchange _______ material before dividing. | genetic |
Most bacteria are _______ rather than ________. | helpful, harmful |
Many bacteria aid in __________ and some produce _________. | digestions, vitamins |
Bacterial __________ use dead organisms as food and energy sources, thus ___________ nutrients for use by other organisms. | saprophytes, recycling |
__________ bacteria in the soil and plant _______ change nitrogen from the air to a form that plants and animals can use. | Nitrogen-fixing, roots |
Bacteria can be used to clean up environmental pollution through _____________. | bioremediation |
Bacteria are used in the productions of ___________, ___________, and _________ products such as yogurt and cheese. | pickles, sauerkraut, dairy |