The three principal organs of seed plants are roots, stems, and leaves. These organs perform functions such as the transport of nutrients, protection, and coordination of plant activities. Roots: absorb water and dissolved nutrients.
The three structures of seed plants are the stem, the leaves, and the roots. The leaves make food through photosynthesis. The stem provides structure and support to the plant and transports substances between the roots and the leaves. The roots anchor the plant in the ground and absorb water and minerals from the soil.
<h3><u>Melting: the substance changes back from the solid to the liquid. Condensation: the substance changes from a gas to a liquid. Vaporization: the substance changes from a liquid to a gas. Sublimation: the substance changes directly from a solid to a gas without going through the liquid phase.</u></h3>
