shittah tree A tree that furnished the precious wood of which the ark, tables, altars, boards, etc, of the Jewish tabernacle were made; now believed to have been the wood of the acacia Seyal, which is hard, fine grained, and yellowish brown in colour. Origin: Heb. Shittah, pl. Shittim...
The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..
This tutorial looks at the adaptations of freshwater plants for them to thrive in still water habitats. Familiarize your..
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..
Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..
Geological periods is a study guide that cites the different geological periods on Earth's timeline. Each has a brief ov..
The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..
