The estimate of 5.5 million species of insects is interesting. What’s even more remarkable is that because scientists have ...

Instead, insects are a subgroup within Arthropoda, a class called “Insecta,” that is characterized by six legs, two antennae and three body segments – head, abdomen and the thorax ...

Instead, insects are a subgroup within Arthropoda, a class called " Insecta," that is characterized by six legs, two antennae and three body segments - head, abdomen and the thorax ... a fly has 5,000 ...