Arthropod - Wikipedia
网页Arthropods (/ 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, …
Arthropod | Definition, Examples, Characteristics, Classes, Groups ...
网页2024年9月9日 · 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
网页2019年10月4日 · 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
网页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 ...
11.10: Arthropods - Biology LibreTexts
网页The 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.
Arthropod - Exoskeleton, Segmentation, Jointed Appendages
网页2024年9月9日 · 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.
What is an arthropod? - Understanding Evolution
网页You are familiar with a wide variety of arthropods from seeing them in your daily life. Have you thought about what they all have in common? Arthropods are a lot more than just delicious feasts and disgusting pests. Before we go too far, we need to figure out exactly what an arthropod is.
Phylum Arthropoda | manoa.hawaii.edu/ExploringOurFluidEarth
网页Many familiar species belong to the phylum Arthropoda—insects, spiders, scorpions, centipedes, and millipedes on land; crabs, crayfish, shrimp, lobsters, and barnacles in water (Fig. 3.72). Arthropods are considered the most successful animals on Earth. The phylum includes more species and more individuals than all other groups of animals ...
Arthropods: Facts, Characteristics, Types & Pictures
网页Arthropods are invertebrates characterized by an exoskeleton and segmented body with paired, jointed appendages. Being the largest phylum, the group contains over a million named species and roughly seven million terrestrial species scattered across …
The origin and evolution of arthropods | Nature
网页2009年2月1日 · Arthropods are monophyletic. Arthropods encompass a great diversity of animal taxa known from the Cambrian to the present day. The four living groups — myriapods, chelicerates, insects and...
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