They have photosensitive cells near the ends of their body.
It doesnt matter
Planaria prefer dark environments
dark
They would prefer light.
The mealworm wiggles around and then becomes still
they like dark
they actually do like light
Mosquitoes prefer dark environments for feeding and breeding.
Snails prefer dark conditions as they are nocturnal creatures. Exposure to bright light can stress them and lead to dehydration. Providing them with places to retreat to in the dark will help keep them comfortable and healthy.
dark places
Mealworms prefer dark environments as they are naturally nocturnal creatures. Light can stress them out and cause them to hide or avoid certain areas. Providing them with a dark and sheltered enclosure will make them feel safe and comfortable.
yes they prefer a dark area