Image result for Plants with vessels to transport water and nutrients are called nonvascular plants.
Within vascular plants is the phloem, the vessel that transports food, and the xylem, which transports water. Nonvascular plants are small, simple plants without a vascular system. They do not have a phloem or xylem.
Explanation:
Due to the cones in your eyes(OR else they're called the photo receptors together with Rods)
Don’t feel like typing it here but I think this is the answer you’re looking for not sure if right.
When salt or sugar is added water moves from inside the cells to the outside solutes by osmosis, causing a partial dehydration of the cell, known as plasmolysis, that interferes with microorganism multiplication.
