Nitrogen Cycle Crossword
This printable crossword puzzle on the topic of Ecology & Evolution has 12 clues. Answers range from 5 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
What needs to be changed into nitrite (NO2–) and then nitrate (NO3–)?
A group of microbes changes what back into nitrogen gas (N2) or nitrous oxide (N2O)?
Ammonia needs to be changed into what and then nitrate (NO3–)?
Nitrogen gas (N2) must first be changed into ammonia (NH3). A diversity of what have the proteins necessary to do this?
What type of plant has nitrogen-fixing bacteria in root nodules?
What is something bright that changes nitrogen gas into a form useful to plants?
The process of nitrifying bacteria bringing about the oxidation of ammonia (NH3) to nitrites (-NO2) and of nitrites to nitrates (-NO3) is called what?
Meat and eggs are common types of what?
Nitrogen gas (N2) must first be changed into ammonia (NH3). A diversity of bacteria have the proteins necessary to do this. This is called what?
A group of nitrogen-fixing organisms is composed of special bacteria, which live symbiotically in nodules on the what of certain plants?
It can either be synthetic or natural and is important for plants to grow. What is it?
The break down of the tissues of dead plants and animals is called what?
