organisms specialized sensory systems

Organisms have different specialized sensory systems. Many organisms are highly sensitive to small amounts of chemical substances. Many fish are highly sensitive to amino acids found in many marine mammals. Many fish are highly sensitive to amino acids. Taste buds are another sensory system that organisms have. Catfish have taste buds throughout their body and are essentially open pores with microvilli for increased surface area. Insects are hypothesized to have five different sensory neurons, each with a different purpose.