Three pairs of legs 1.3. The body is divided into head, thorax, and abdomen. Endopterygota; Exopterygota Division Endopterygota internally developed wings; fleas and flies +5 more terms Insects can experience pigment changes from eating certain foods or in some cases they can be manufactured by the insect. The ability to fly has played an important role in their spectacular radiation on land. And the diversity is astounding. Praying Mantis Lady Bug Metallic Ceiba Bug Organisms: Monarch Butterfly What are two examples of insecta? Characteristics. The phylum Arthropoda is the most diverse of all the animal phyla, and the class Insecta is the most diverse group of arthropods. Their numbers are nothing short of remarkable — both in terms of how many individual insects there are, as well as how many species of insects there are. Sub-kingdom: Eumetazoa Characteristics a. In North America alone, there are about 8,000 arachnid species. Class - Insecta. Basic Features: Insects are a class in the Phylum Arthropoda, so they have all of the characteristics of the Arthropods. Ø Characters explained for sub-phylum Hexapoa is common for classes of Insecta. Super-phylum: Ecdysosoa Phylum: Arthropoda Blattodea Cockroaches 2. An insect's body has three major body parts, including a head, thorax and abdomen. In head a pair of antenna and a pair of compound eyes are usually present. General characteristics of Insects (class):- Insects are the most successful life form on the planet: they make up more than half of all living things on Earth- Some experts suggest that there are more than 10 million insects- Divided into 29 orders Arachnids are a Class (Arachnida) of joint-legged Invertebrate Animals in the subphylum Chelicerata. Class Insecta characteristics 3 pairs of legs, segmented, antennae Subclass Pterygota winged insects 2 Divisions in Insecta? Sub-phylum: Hexapoda Body is divided into three parts, head, thorax and abdomen - the distinguishing feature of insects: Head has one pair of antennae. Distribution 1. Usually two pairs of wings (absent in many insects such as lice, fleas, ants; flies have one pair of wings) 3 main tagmata. Insects form the larger part of the land animals in Difference between Centipedes and Millipedes. Insects can live on land, in the water or both and are cold-blooded creatures that require the sun to warm them. Class Insecta of Phylum Arthropoda has undergone and continues to undergo changes in its classification. Class Insecta - The insects A Introduction 1. Insects or Insecta (from Latin insectum) are hexapod invertebrates and the largest group within the arthropod phylum.Definitions and circumscriptions vary; usually, insects comprise a class within the Arthropoda. Here is an alphabetical list of insect orders in current usage with examples of insects types: 1. Modern insects are highly adapted to an immense range of habitats throughout the world, from deserts to snowfields, from rainforest to savannah. Insects that experience this sort of complete change are called "holometabolous." All habitats except saltwater - replaced by crustacea there a. Freshwater b. Terrestrial c. … Thorax (middle bit) has three pairs of … Subphylum UNIRAMIA: Insects, Centipedes, Millipedes. Insects are a class in the Phylum Arthropoda, so they have all of the characteristics of the Arthropods. •Front wings (elytra) are hard and serve as covers for the hind wings; meet in a line down the middle of the back. Phylum Arthropoda, Class Insecta The focus is a typical insect, showing all the characteristics of the class. For example, a flowers success depends on the pollenation by bees. Insects have some distinctive characteristics that set them apart from other arthropods. 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