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Ecology What else could it be?

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