Arthropod | Definition, Examples, Characteristics, Classes, Groups ...
WEBSep 9, 2024 · Arthropods are animals with a jointed exoskeleton, segmented body, and paired appendages. They include insects, crustaceans, spiders, mites, and more. Learn about their diversity, evolution, and adaptations.
Insect | Definition, Characteristics, Types, Beneficial, Pest ...
WEBSep 13, 2024 · Learn about insects, the largest class of arthropods, with about 1 million described species and diverse adaptations. Find out how insects are classified, what they look like, how they reproduce, and why they are important for humans and the environment.
Arthropod - Insects, Crustaceans, Arachnids | Britannica
WEBSep 9, 2024 · Learn how arthropods are classified into subphyla, classes, and orders based on their body segments, appendages, and respiratory organs. See examples of extinct and living arthropods, such as trilobites, horseshoe crabs, spiders, and insects.
Arthropod - Exoskeleton, Segmentation, Jointed Appendages
WEBSep 9, 2024 · Learn about the unique features of arthropods, the largest group of animals on Earth, such as their jointed exoskeleton, periodic molting, and segmented body. Find out how these adaptations enable arthropods to grow, move, and survive in …
Arthropod structure and classification | Britannica
WEBLearn about the structure and classification of arthropods, the largest phylum of invertebrates with more than one million species. Arthropods have a segmented body with an exoskeleton and jointed appendages, and include insects, crustaceans, arachnids, and …
Arthropod - Exoskeleton, Segmented, Jointed | Britannica
WEBSep 9, 2024 · Learn about the characteristics, distribution, abundance, and importance of arthropods, the largest and most diverse group of animals on Earth. Arthropods have an exoskeleton, a segmented body, and jointed legs, and …
arthropod - Kids | Britannica Kids | Homework Help
WEBArthropods are animals with a hard outside covering called an exoskeleton. They include insects, crustaceans, and arachnids. Learn about their features, habitats, behavior, and importance.
Muscle - Arthropods, Contraction, Movement | Britannica
WEBArthropoda is the largest phylum of invertebrate animals and comprises crustaceans, insects, arachnids (spiders and scorpions), and other classes. Some arthropods have soft-bodied young stages in which the principle of the hydrostatic skeleton is important.
Arthropod - Evolution, Paleontology, Adaptation | Britannica
WEBSep 9, 2024 · Arthropods first appeared in the Cambrian and were represented by trilobites, merostomes, crustaceans, and enigmatic arthropods that do not fit into any existing subphyla. Trilobites, chelicerates, crustaceans, and myriapods are recognized as four major lines of arthropod evolution.
Arachnid | Definition, Facts, & Examples | Britannica
WEBSep 27, 2024 · Arachnids are arthropods with eight legs and two body regions. They include spiders, scorpions, mites, ticks, and more. Learn about their diversity, features, and importance.