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Crucigrama Sopa de Letras Hoja de Trabajo
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Chapter One

Horizontales
One organism eating the other
One organism benefits, and the other is unharmed.
How organisms interact with each other. At least one has to benefit.
Because an organism can adapt, it survives, and the other organisms die
Changes that occur AFTER an ecosystem is in place
How an organism lives, not WHERE
One organism benefits, and the other is harmed
Verticales
Changes that occur where no soil or organisms exist
Behaviors and physical characteristics that help organisms survive
First species to populate an area
The eater
Struggle between organisms to survive
Predictable changes that occur in a community over time
Both organisms benefit
The eaten