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Wigs and hairs - Seed Appendages
Seeds of certain plants have epidermal outgrowths or the integuments themselves may form folds and projections that present a wing-like appearance. In the tree Oroxylon sp. a thin, transparently white, circular or oval, disc-like wing spreads all around the two-lobed seed. The seed of cucurbit Zanonia macrocarpa has wings measuring up to 10 cm.
In the drumstick plant Moringa oleifera the seed has three equidistant wings. Seed wings provide large surface area, with optimum strength, combined with a minimum of material. A surprisingly large number of winged seeds can be arranged compactly in a fruit. Wings help the seed to propel, sail or spin some distance away when released from the fruit.
If baroreceptors are primed to detect blood pressure changes and compensate for them, how is it that some patients suffer from chronic hypertension?
Hypotension, hyperkalemia, taste disturbance, angiedema, renal insufficiency. In the absence of any symptoms of hypotension, and normal renal function and K + levels, the dosage
Describe about the therapies of illicit drugs do to the brain Despite recent availability of new therapies for addiction, only a small proportion of people who need treatment
Occurrence of folic acid Folic acid is an active principle widely occurring in the animal and vegetable kingdom. Richest sources are liver, dark green leafy vegetables, bean
occurrence of e.coli 0157:H7 on vegetables
In what ways can we try to protect a species from extinction? We can attempt to protect species from extinction by making it illegal to kill the threatened animals or uproot o
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In many countries of Asia biomass contributes l argely as a source of primary energy. People in rural areas at the peripheries of forests, continue to collect fuel wood from adjace
What is consanguineal marriage? Why is the appearing of genetic disease more probable in the offspring of a consanguineal marriage? The Consanguineal marriage is the marriage b
Polychaetes - Feeding and Digestion in Annelids Polychaetes involve both free moving (errant) and sedentary species. The free moving species are usually macrophagous and the s
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