Examlex
When the total specialization rule is set for a supertype/subtype relationship, one could roughly compare the supertype to an abstract class in object-oriented programming.
Stem
The main body or stalk of a plant, which supports leaves, flowers, and fruits, and transports fluids between the roots and the rest of the plant.
Stipule
One of a pair of scalelike or leaflike structures found at the base of certain leaves.
Palisade Mesophyll
The layer of closely packed, elongated cells found under the upper epidermis of leaves, responsible for most of the photosynthesis in plants.
Photosynthesis
This is a process where green plants and a few other life forms use sunlight to generate nutrients from water and carbon dioxide.
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