An organelle is a unique part of a cell that has a specific function. The term is a combination of the word organum, which means instrument or engine, and the suffix -elle, which means... Star Gazing
Female redback spider in the nest showing off her red back. The nest contains a few hundred eggs and is about 12 mm (1/2) in diameter. Female redback spider smiling to the camera, ready to protect her nest.
Prior to the introduction of the specific antivenom in 1956, 13 deaths in Australia were caused by its bite. Only female Redbacks usually bite people-the males are too small. Redback spiders are typically entirely black, except for a broad red band down the back of the body and a red hourglass-shaped mark underneath.