These things are considered:
the shape of the leaves
the margin of the leaves - serrated
how the leaves are arranged on the stem - alternate, opposite etc
if the leaves have hairs
how the leaf blade is divided (or not)
what the leaf stem is like
what the veins of the leaf blade are arranged
special leaves used for
Plant cells will have a cell wall and a nucleus. Additionally, plants are stationary. Both characteristics can be used to classify a sample as a plant.
IT is used in plants and is the substance that colours the leaves of plants green. They are an essential substance to all processes in plants.
Plants,leaves,and insects.
For eating the plants and leaves they eat.
There is no synonym for the word "herb", which means the aromatic leaves of plants, used medicinally and in cooking. The word "spice" is similar but does not refer to leaves, only roots (ginger), bark (cinnamon), and fruit (pepper), or to non-organic flavourings (salt).
Foliage leaves are the broad, flat leaves of plants that are typically green in color and used for photosynthesis. They are important for capturing sunlight and converting it into energy for the plant. Foliage leaves are usually the main type of leaves on most plants and trees.
== == it is taken up either by the roots or leaves
Stomata
The stoma (aka stomate) are the "pores" in the leaves and stems of plants used to control gas exchange.
The leaves are the organs that help green plants to make food. Leaves contain chlorophyll which is used in the process of photosynthesis.
The parts that is used for food is the leaves,root,stem etc.