Nitr Flashcards
Where is most nitrogen found
Atmosphere
Where else can it be found
In all living things
Why do animals need it
To make amino acids, proteins and DNA
Can you use nitrogen as it is
No
What makes nitrogen usefull
Fixation
What causes fixation
Bacteria in the soil or lighting strikes
How did plants get nitrogen
By absorbing it in the roots
What is the plant nitrogen called
Nitrate (NO-3)
How do herbivores get their nitrogen
By eating plants
How do carnivores get their nitrogen
By eat animals
What happens when a animal dies
The nitrogen gets released into the air again and the cycle goes on
How do algae blooms happen
By excess fertilizer going into the water.
How are algae blooms bad
They produce way to much nitrogen so the plankton can’t keep up with eating all of it. Also blocks oxygen which the fish need to survive
