We investigated which colours woodlice would prefer and why? As a group we chose 4 different colour pieces of card, they were green, yellow, black and blue. The card was placed into each corner of a large black tray so the woodlice couldn't escape and white paper was placed in the middle. We collected a number of woodlice and placed them gently into the tray. One or two of them rolled into a ball but the rest walked quickly to the edges of the tray. They walked around the very edge which is black until they came to the black piece of card. They mostly stayed underneath the card. We think they prefer dark colours because in their natural habitat they live under wood where it is dark and they feel safe.
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