Reabsorbtion. Occuring more commonly within the nephron system than filtration, this is a form of active transport which takes the the useful substances for the body from the tubules and places them back into the blood filled capillaries.
Oleanders are shrubs, but they are _big_ shrubs. Most of the varieties in cultivation top out at 8 to 12 feet tall and about the same width. The wild form, and some of the older cultivars used for windbreaks top out at 20 x 20 feet.
species. Individual spots are 2-3 millimeters in diameter and are more common on the upper leaf surface. Sometimes a yellow spot will develop where the insects are feeding. These sucking insects can remove enough plant sap to cause defoliation on sensitive species. The false oleander scale is an armored scale, or a scale with a waxy outer covering