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.
Notice the coloration of the spider. 1  An adult females is jet black with a variable red stripe on the back of its abdomen. 2  An immature female is usually brown and smaller with whitish markings. 3  A male Redback spider (rarely seen) is small and brown with red and white markings.