Under the savannas of South Africa, there may be as few as 7 worms in every square foot [70 worms in every square meter] of soil, while on a forest floor in Canada, there may be over 70 worms per square foot [700 worms per square meter].
Di bawah sabana - sabana Afrika Selatan, mungkin sedikitnya ada 70 ekor cacing per meter persegi, sementara di bawah permukaan hutan di Kanada, mungkin terdapat lebih dari 700 ekor per meter persegi.