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Nut (fruit)
A nut in botany is a simple dry fruit with one seed (rarely two) in which the ovary wall becomes very hard at maturity, and where the seed remains unattached or unfused with the ovary ... > more -
Sugar Glider
The Sugar Glider (Petaurus breviceps), sometimes called the Flying Sugar, is a small gliding possum native to eastern and northern mainland Australia, New Guinea, and the Bismarck Archipelago, and ... > more -
Brain tumor
A brain tumor is any intracranial mass created by an abnormal and uncontrolled growth of cells either normally found in the brain itself: neurons, glial cells (astrocytes, oligodendrocytes, ependymal ... > more -
Egg (biology)
In most birds and reptiles, an egg is the zygote, resulting from fertilization of the ovum. It nourishes and protects the embryo. Oviparous animals are animals that lay eggs, with little or no other ... > more
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