1
Energy is never created or destroyed. it is only changed from one form to another.
2
The total quantity or weight of organisms
3
An organism that will eat both plants and animals
4
Organism that can use the sun or chemicals as their energy source.
5
the process of converting atmospheric nitrogen to useable nitrogen
6
An organism that will feed only on plants
7
Organism that must eat other organism to get energy.
8
An organism that can use chemicals or the energy from the sun for their main energy source. They do not need to eat other organisms.
9
Organism that obtains its energy from dead organic matter
10
An organism that will feed only on animals.
11
the process of releasing fixed nitrogen back into the atmosphere
12
A chemical process that some bacteria do that converts nitrogen gas in the atmosphere into ammonia or other nitrogen compounds that are usable by plants and animals.
13
An organism that must eat other oranisms to obtain energy.
