how are arthropods different from other invertebrates?
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Arthropoda is a phylum of animals that includes many well-known invertebrates such as insects, crustaceans, spiders, centipedes, millipedes and scorpions. ... The distinguishing features of arthropods from other invertebrates are their hard exoskeleton or shell and jointed limbs.
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Arthropods are part of the group of invertebrates because they have no spinal column. Other tiny animals are not arthropods. Earthworms have bodies composed of many segments, but have no legs. They belong to the phylum Annelidae.
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As nouns the difference between insect and reptile is that insect is an arthropod in the class insecta, characterized by six legs, up to four wings, and a chitinous exoskeleton while reptile is a cold-blooded vertebrate of the class reptilia .
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Technically, they're not that closely linked, although crabs and spiders are both members of the arthropod family, as are other insects, and lobsters. Basically, they're classed together because they all have exoskeletons and jointed legs.
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The primary difference between arthropods and echinoderms is their covering. Arthropods have a tough, non-living outer shell called exoskeleton, which protect their soft bodies while echinoderms have living endoskeletons, which develop within the deeper skin or body tissues and act as their protective covering.
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Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae. Insects are the most diverse group of animals; they include more than a million described species and represent more than half of all known living organisms.
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Arachnids belong to an even larger group of animals called “arthropods” which also include insects and crustaceans (lobster, crabs, shrimp, and barnacles).
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Invertebrates do not have backbones. Both groups are in the Kingdom Animalia, but their bodies are organized differently. ... All invertebrates share common traits. At the bottom of the invertebrate world are the sponges.
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Animals can be classified as either vertebrates or invertebrates. Vertebrates are animals that have a backbone inside their body. ... Invertebrates don't have a backbone. They either have a soft body, like worms and jellyfish, or a hard outer casing covering their body, like spiders and crabs.
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Arthropods have an exoskeleton and jointed legs. ... Arachnids are arthropods that live on land, have two tagmata, eight legs, two pedipalps and no antennae. Insects have three tagmata, six legs, no pedipalps and two antennae.
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Appearance. Commonly misidentified as an insect, a tick is not an insect but an arthropod. While insects possess three segmented body regions, six legs, and generally have wings, a tick lacks wings, only possesses two body regions, and has eight legs after reaching full maturity.
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No, worms are not insects. ... Both worms and insects are classified under the Kingdom Animalia. The animal kingdom is split into two groups: vertebrate, animals with a backbone, and invertebrate, animals without a backbone. Both worms and insects are invertebrates.
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Insects or Insecta (from Latin insectum) are hexapod invertebrates and the largest group within the arthropod phylum. ... Insects are the most diverse group of animals; they include more than a million described species and represent more than half of all known living organisms.
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Insects have exoskeletons (skeletons on the outside). Their skeletons are made out of thin, hard pieces or plates, like armour, made of chitin. All together, these pieces make a hard layer around the insect's body. The exoskeleton protects the insect.
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An invertebrate is a cold-blooded animal with no backbone. Invertebrates can live on land—like insects, spiders, and worms—or in water. Marine invertebrates include crustaceans (such as crabs and lobsters), mollusks (such as squids and clams), and coral.
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Vertebrate. Animals can be classified into two main groups: vertebrates and invertebrates. The main difference between vertebrates and invertebrates is that invertebrates, like insects and flatworms, do not have a backbone or a spinal column.
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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 (hence “Hexapoda”) in adults and usually one or two pairs of wings, and ...