Interações ambientais, ciclos e sistemas.

Palavras horizontais

1. Period of time during which a phenomenon occurs. (5)
3. Beings made up of cells, present genetic material, reproduce and evolve. (13)

Palavras verticais

2. A system is a set of interdependent elements in order to form an organized whole (6)
4. The material world, exists independently of human activities. (6)