Arthropod - Wikipedia
WEBArthropods (/ ˈɑːrθrəpɒd / ARTH-rə-pod) [22] 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 …
Arthropod | Definition, Examples, Characteristics, Classes ...
WEBSep 9, 2024 · arthropod, (phylum Arthropoda), 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.
Arthropod - Definition, Characteristics, Examples and Types ...
WEBOct 4, 2019 · Arthropods are a lineage of life that developed skeletons on the outside – their hard shells, made of a material called “chitin” – instead of on the inside for structural support.
Arthropod structure and classification | Britannica
WEBarthropod, 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 ...
11.10: Arthropods - Biology LibreTexts
WEBThe arthropod body consists of three segments with a hard exoskeleton and jointed appendages. Terrestrial arthropods have adaptations for life on land, such as trachea or book lungs for breathing air. The earliest arthropods were trilobites. The earliest land arthropods were millipedes.
Introducing the arthropods - Understanding Evolution
WEBYou will learn what traits arthropods inherited from their common ancestor, how arthropods got their start over 500 million years ago, and how their lineage has diversified in some ways and been constrained in others. But first, let’s find out what arthropods are up …
A closer look at the arthropod branches - Understanding Evolution
WEBA closer look at the arthropod branches. Arthropods can be divided into five major groups, each with its own distinctive characteristics. Tree adapted from Giribet, G., Edgecombe, G.D., 2019. The Phylogeny and Evolutionary History of Arthropods.
Arthropod - Exoskeleton, Segmentation, Jointed Appendages
WEBSep 9, 2024 · Arthropod - Exoskeleton, Segmentation, Jointed Appendages: Arthropods have jointed exoskeletons consisting of a thin, outer protein layer called the epicuticle and a thick, inner, chitin–protein layer called the procuticle.
14.8: Phylum Arthropoda - Biology LibreTexts
WEBJul 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 ...
33.9: Arthropods (Arthropoda) - Biology LibreTexts
WEBKey Terms. tagma: a specialized grouping of arthropodan segments, such as the head, the thorax, and the abdomen with a common function. malpighian tubule: a tubule that extends from the alimentary canal to the exterior of the organism, excreting water and wastes in the form of solid nitrogenous compounds.
Skip to content