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.
Brazilian wandering spiders are widely considered the most venomous species of spider. At deadly concentrations, their venom causes loss of muscle control and breathing problems, resulting in paralysis and eventual asphyxiation. In addition, the venom causes intense pain and inflammation following a bite.edbacks are considered one of the most dangerous species of spiders in Australia. Its neurotoxic venom is toxic to humans, with bites causing severe pain, often for over 24 hours. An antivenom is commercially available, and since its introduction in 1956, no deaths due to redback bites have been reported.+.