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Insects (from Latin insectum) are hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes, and a pair of antennae.
Jul 18, 2024 · insect, (class Insecta or Hexapoda), any member of the largest class of the phylum Arthropoda, which is itself the largest of the animal phyla. Insects have segmented bodies, jointed legs, and external skeletons ( exoskeletons ).
About Insects. All insects belong to the phylum Arthropoda. But unlike other arthropods—like lobsters, spiders, or millipedes—insects have three pairs of jointed legs, segmented bodies, an...
Insects (class Insecta) have segmented bodies, jointed legs, and external skeletons. Insects are distinguished from other arthropods by their body, which is divided into three major regions: (1) the head, which bears the mouthparts, eyes, and a pair of antennae, (2) the three-segmented thorax, which usually has three pairs of legs in adults and ...
Oct 16, 2019 · Insects: the Ultimate Guide to the class Insecta. Characteristics of insects, life cycle, evolution, body parts, relationships with other arthropods.
Body plan of a generalized insect. The body is usually divided into a head, thorax, and abdomen. The head bears appendages modified into mouthparts and antennae bearing sense organs. Mouthparts include the toothed mandibles and bladelike maxillae found behind the “upper lip,” or labrum.
The Encyclopedia of Insects is a comprehensive work devoted to all aspects of insects, including their anatomy, physiology, evolution, behavior, reproduction, ecology, and disease, as well as issues of exploitation, conservation, and management.
Insects are the only invertebrates (animals without backbones) with wings. Much of their success results from their ability to fly and colonise new habitats. The study of insects is called entomology and entomologists are scientists who study insects. Insects play a very important role in the web of life, in every environment.
Insects eat our food, feed on our blood and skin, contaminate our dwellings, and transmit horrible diseases. But without them, we could not exist. They are a fundamental part of our ecosystem.
Jul 3, 2019 · Insects (Insecta) are the most diverse of all animal groups. There are more species of insects than there are species of all other animals combined. 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. In fact, there are so many insects that ...
