
Arthropod - Wikipedia
Arthropods (/ ˈɑːrθrəˌpɒd / AR-thrə-pod) [3][4] are invertebrates in the phylum Arthropoda. They possess an exoskeleton with a cuticle made of chitin, often mineralised with calcium …
Arthropod | Definition, Meaning, Examples, Characteristics, …
Dec 29, 2025 · An arthropod is any member of the phylum Arthropoda, the largest phylum in the animal kingdom, which includes such familiar forms as lobsters, crabs, spiders, mites, insects, …
Arthropod
6 days ago · The term ‘arthropod’ originates from the Greek words’ arthron,’ meaning joint, and ‘podos,’ meaning foot, referring to their jointed appendages. It is the largest phylum in the …
What is an arthropod? - Understanding Evolution
An arthropod’s brains is in its head, but its nervous cord runs along its belly and its food passage (stomach, intestines, etc.) runs along its back. Since the brain (above the mouth) connects to …
What Is an Arthropod? Definition, Characteristics & Types
A defining characteristic of arthropods is their rigid external skeleton, known as an exoskeleton. This outer covering is primarily composed of chitin, a tough polysaccharide, and proteins, often …
Arthropods - San Diego Zoo Animals & Plants
Arthropods are members of the phylum Arthropoda, which means "jointed leg." Arthropods include insects, arachnids, and crustaceans. There are more kinds of beetles in the world than any …
Arthropoda (arthropods) | INFORMATION | Animal Diversity Web
Arthropods are eucoelomate with the coelom formed by schizocoely, but the volume of the coelom is much reduced and usually restricted to portions of the reproductive and excretory systems. …
Arthropod - Definition and Examples - Biology Online Dictionary
Jul 23, 2021 · What is an arthropod? An arthropod is an invertebrate living organism characterized by the presence of multiple joints, a chitinous exoskeleton, segmentation, and …
Arthropod - New World Encyclopedia
Arthropods (phylum Arthropoda) are the largest phylum of animals and include the insects, arachnids, and crustaceans, as well as millipedes and centipedes, among others.
Phylum Arthropoda | manoa.hawaii.edu/ExploringOurFluidEarth
The word arthropod (from the Greek root words arthro - meaning joint and - pod meaning foot) refers to a unique feature of the group—jointed legs, called appendages, which vary widely in …
Arthropod - Exoskeleton, Segmented, Jointed | Britannica
Nov 7, 2025 · Arthropod - Exoskeleton, Segmented, Jointed: Most arthropods are small animals; only aquatic forms can attain substantial sizes. The numbers and diversity of arthropods are …
Arthropod - Simple English Wikipedia, the free encyclopedia
Arthropods (Greek language for "joint-legged") are a large group of invertebrate animals. Insects, spiders, crabs, shrimp, millipedes, and centipedes are all arthropods. In the scientific …
What Is an Arthropod? Defining Features & Major Groups
Arthropods represent a diverse and abundant group of invertebrate animals, making up over 80% of all known animal species globally. They are found in nearly every habitat on Earth, from …
ARTHROPOD Definition & Meaning - Merriam-Webster
The meaning of ARTHROPOD is any of a phylum (Arthropoda) of invertebrate animals (such as insects, arachnids, and crustaceans) that have a segmented body and jointed appendages, a …
Arthropod - Wikiwand
An arthropod has an open circulatory system, with a body cavity called a haemocoel through which haemolymph circulates to the interior organs. Like their exteriors, the internal organs of …
What is an arthropod? - Understanding Evolution
In this section, we will explore these key questions: What is an arthropod? Why do all arthropods share certain key characteristics? OK, let's dive right in!
Arthropod - Biology Simple
Jan 12, 2025 · Arthropods are a diverse group of invertebrate animals with exoskeletons and jointed legs. They include insects, spiders, scorpions, crabs, and lobsters. Arthropods have …
Arthropod - Insects, Crustaceans, Arachnids | Britannica
Nov 7, 2025 · Arthropod - Insects, Crustaceans, Arachnids: Arthropod classes are based on criteria such as modification, specialization, number, and appearance of body segments and …
The arthropod defined - Understanding Evolution
We’ve seen that arthropods are a whole lot more than just cockroaches and lobsters. However, all those descendants of the arthropod ancestor share certain key characteristics that they …
Arthropod structure and classification | Britannica
arthropod, Any member of the largest phylum, Arthropoda, in the animal kingdom.
Hexapoda - Wikipedia
The subphylum Hexapoda (from Greek for 'six legs') or hexapods comprises the largest clade of arthropods and includes most of the extant arthropod species. It includes the crown group …