Algae and mosses make food through the process of photosyntesis.

These plants live in or near water, and absorb water and carbon dioxide dissolved in water directly into their cells.

They do not need to transport food as it passes directly from one cell to the next.

How algae and mosses make their food

Spermatophytes and ferns have green cells in their leaves. They get carbon dioxide from the air through their leaves, but absorb the water and minerals they need from the ground through their roots.

How more complex plants make and transport food