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7th grade crossword

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