The ports on your router are already switch ports. If they weren't, they'd have IP addresses associated with them. DHCP has nothing to do with routers or router functionality, it is included as an added feature. You can turn it off and the device is still a router.
The plant root system constitutes the major part of the plant body, both in terms of function and bulk. In terrestrial plants, the root system is the subterranean or underground part of the plant body while the shoot is the aboveground part. Roots are branching organs which grow downward into the soil, a manifestation of geotropism. Branching occurs irregularly and not from nodes as in stems.
To begin with, you need to know what plants are, how plants differ from animals on both the cellular and organismal level, and the different categories of plants that exist. You should also know about the structure and function of the three most important parts of vascular plants: leaves, stems, and roots. Auxins. 2  The primary function of the auxin hormones is to elongate plant cells in the stem. 3  Auxins are also responsible for root development, secondary growth in the vascular cambium, inhibition of lateral branching, and fruit development.