Cockroaches, generally referring to insects that belong to the order Blattaria, are part of the phylum Arthropoda, class Insecta, order Blattaria.
This species has survived on Earth for over 350 million years, even longer than dinosaurs.
However, in the entire ecosystem, the significance of cockroaches is actually not that great.
Of course, that's not to say they are completely useless — they possess the nature of decomposers in the natural world, which can accelerate the decomposition of organic materials into inorganic substances.
Moreover, they even have some value in the medical field. For example, Yunnan Baiyao's peptide toothpaste contains cockroach extract, which means you might be kissing a cockroach every day.
But compared to the harm they bring, these contributions are simply insignificant.
