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Insects are the largest group of animals on Earth by far: about 926,400 different species have been described. [3] They are more than half of all known living species. [4] [4] [5] [6] [7] They may be over 90% of animal species on Earth. [8] New species of insects are continually being found. [9]
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.
Oct 16, 2019 · Insects: The Ultimate Guide. Facts, pictures and information on Insecta – the largest class of animals on Earth. Discover the characteristics of insects, their life-cycles, the roles they play in their ecosystems, and why they are so important for life on Earth….
Apr 9, 2024 · 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 usually one or two pairs of wings, and (3) the many-segmented abdomen, which contains...
insect, Any member of the class Insecta, the largest arthropod class, including nearly 1 million known species (about three-fourths of all animals) and an estimated 5–10 million undescribed species. Insect bodies have three segments: head, thorax (which bears three pairs of legs and usually two pairs of wings), and many-segmented abdomen.
What Is an Insect? | Smithsonian Video for Kids . Insects are everywhere. Imagine taking all the animals on Earth, everything from the bees around your school to the elephants on the savannah. If you did that and sorted them, four out of every five animals would be an insect. That means the majority of animals on Earth are insects.
Introductory Biology (CK-12) 11: Invertebrates. 11.11: Insects. Expand/collapse global location. 11.11: Insects. Page ID. What dominates life on Earth? Well, by numbers, it's not humans. This may look like a scary creature from your worst nightmare, but it wouldn’t hurt a fly. In fact, it is a fly!
