1. The plants which are nourished themselves with the food prepared by them are called autotrophs.2. These are green plants and contain chloroplasts in their cells.
3. Parasites and saprophytes are not found autotrophs.Heterotrophs:1. The Plants, which are incapable of synthesizing their own food and depend on other plants for their nourishment are called heterotrophs.2. These are fungi and other non-green plants. They do not contain chloroplasts in their cells.