Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..
This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..
Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..
Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..
Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..