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Ecology What else could it be?

Across
What feeds off decaying particles by chewing or grinding smaller?
These animals eat carcasses
The major nutrient that is abbreviated with the letter "K:
These animals eat other animals as well as plants
Our ultimate energy source
Autotrophs create both of these during photosynthesis (3 words - "and" in the middle)
Different populations that live in a defined area
In addition to growth one needs this constantly do this to
How do humans add nitrogen to the biosphere?
What does trophic mean?
Oikos in Greek means
Down
Digestion is a type of ______ process
Mathematical formulas are often used in creating theses for predictions
The process of water vapor being released through leaves
During nitrogen fixation nitrogen gas is converted into _____
This is released when rocks and sediment are worn down.
This nutrient is only absorbed through the soil
What perccentage of energy is lost between 3 trophic levels?
H2S means
During chemosynthesis what combines with oxygen and sulfide?
Life is a ball
Any organism that relies on another organism for energy or nutrients is known as this.
How is nitrogen added to the earth's surface naturally?
When water vapor evaporates in the the atmosphere and condenses this forms