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Crucigrama Sopa de Letras Hoja de Trabajo
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Biology revision puzzle

Horizontales
Permanent increase in size
Heart specialised person.
Chemical reactions in the body.
Capable of producing viable offspring.
Verticales
An organism that makes its own food
Removal of waste products of metabolism
Used in biology to classify organisms.
Move the whole body to escape danger.
A change in the environment
How organisms interact with one another.