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7th grade crossword

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Across
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Animal that eats only plants
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Animal that eats other animals
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Primary pioneer species
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Animal that kills and eats an animal.
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Animal that is killed for food.
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Primary succession happens on bare ___.
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Relationship where one helps, one gets nothing.
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There are ___ types of symbiosis
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Parasite that lives in a host
Down
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Example of a non-animal decomposer
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Animal that eats both plants and animals.
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Ultimate source of energy
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Organism that can make its own food
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Example of an animal decomposer
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Organism that breaks down dead matter
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Organism that CANNOT make its own food
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Two organisms working together
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Process where new plants and animals replace old ones
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These harm, but not kill their host.
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Secondary succession occurs on ____.