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Arthropod, any member of the phylum Arthropoda, the largest phylum in the animal kingdom, which includes such familiar forms as lobsters, crabs, spiders, mites, insects, centipedes, and millipedes. About 84 percent of all known species of animals are members of this phylum.
- Arachnid
Arachnid, any member of the arthropod group that includes...
- Crustacean
crustacean, any member of the subphylum Crustacea (phylum...
- Classification
Arthropod - Insects, Crustaceans, Arachnids: Arthropod...
- Trilobite
trilobite, any member of a group of extinct fossil...
- Reproduction and Life Cycle
Arthropod - Molting, Reproduction, Adaptations: With few...
- Digestive System and Feeding
Arthropod - Digestive, Feeding, Adaptations: Arthropods...
- Evolution
Summarize This Article Evolution and paleontology. The...
- Myriapod
myriapod, any member of several closely related groups of...
- Arthropod structure and classification
arthropod, Any member of the largest phylum, Arthropoda, in...
- Arachnid
Arthropods (/ ˈ ɑːr θ r ə p ɒ d / ARTH-rə-pod) are invertebrates in the phylum Arthropoda. They possess an exoskeleton with a cuticle made of chitin , often mineralised with calcium carbonate , a body with differentiated ( metameric ) segments , and paired jointed appendages .
- Crustacea
- Myriapoda
- Hexapoda
- Chelicerata
- Onychophora
- Trilobitomorpha
They are aquatic, terrestrial, or parasitic.The head is fused with the thorax region known as the cephalothorax.Respiration occurs through gills or general body surface.The body is covered by a single large carapace.These are mostly terrestrial.The body is elongated with numerous segments.The head is provided with antennae, two pairs of jaws, and a pair of simple eyes.They contain numerous legs.They are mostly terrestrial.The body is differentiated into head, thorax, and abdomen.Head bears a pre-segmental acron.The thorax is divided into three segments.They are mostly found on land.The body is differentiated into cephalothorax and abdomen.Antennae are absent.The abdomen is divided into 13 segments.These are small-sized, terrestrial arthropods.The body is divided into segments.Excretion occurs through nephridia.They respire through the trachea.These are primitive arthropods and are extinct.They were found in abundance during the Paleozoic era.The body was divided into three lobes- one median and two lateral lobes.Head bore a pair of compound eyes and a pair of antennae.arthropod, Any member of the largest phylum, Arthropoda, in the animal kingdom. Arthropoda consists of more than one million known invertebrate species in four subphyla: Uniramia (five classes, including insects), Chelicerata (three classes, including arachnids and horseshoe crabs), Crustacea (crustaceans), and Trilobita (trilobites). All ...
Oct 4, 2019 · Arthropods Definition. An “arthropod” is an invertebrate animal that has an exoskeleton, a segmented body, and jointed appendages. The following families of organisms are all examples of arthropods: Insects such as ants, dragonflies, and bees. Arachnids such as spiders and scorpions.
Jul 31, 2022 · Phylum Arthropoda includes animals that have been successful in colonizing terrestrial, aquatic, and aerial habitats. This phylum is further classified into five subphyla: Trilobitomorpha (trilobites, all extinct), Hexapoda (insects and relatives), Myriapoda (millipedes, centipedes, and relatives), Crustaceans (crabs, lobsters, crayfish ...
Jul 23, 2021 · Arthropod (biology definition): An invertebrate animal identifiable by its chitinous exoskeleton and multiple jointed appendages, and comprise the phylum Arthropoda. Etymology: from Greek árthron, meaning “ joint “. Arthropods Characteristics.
