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.
digitalis toxin, the oleander caterpillar relishes this plant exclusively. The adult of the oleander caterpillar is a very attractive moth that resembles a wasp with a red-tipped abdomen and its iridescent bluish/black body and wings that have white spots. Eggs are yellow-green and laid in clusters of 25-75 on the underside of leaves. When larvae hatch, they feed gregariously and skeletonize the leaves. As they grow, they tend to disperse and will consume entire leaves and flower clusters. The caterpillar is a bright, day-glow orange with black spots and long tufts of black âhairâ.