Small fish eat spirogyra.
Spirogyra being a fresh water chlorophycean alga prepares its own food by photosynthesis. Hence it is an autotroph.
I think bacteria eats it.
Yes they do digest food.
Yes, they can digest food.
You would speak of Spirogyra in terms of the species of Spirogyra: "there are over 400 species of Spirogyra"
They get their energy from sunlight (photosynthesis). They are autotrophs. They do not consume (or eat anything). They make their own food
Yes, snails do digest their food.
yes reptiles do digest food
no it cant digest its own food
spirogyra is a water silk
people digest food through their mouth then they eat food then the food goes through their ******