What are the 4 types of arthropods?
Arthropods are divided into four major groups:
- insects;
- myriapods (including centipedes and millipedes);
- arachnids (including spiders, mites and scorpions);
- crustaceans (including slaters, prawn and crabs).
What are the 5 Subphyla of arthropods?
Arthropods are traditionally divided into 5 subphyla: Trilobitomorpha (Trilobites), Chelicerata, Crustacea, Myriapoda, and Hexapoda. Myriapoda is divided into four classes: Chilopoda (centipedes), Diplopoda (millipedes), Pauropoda, and Symphyla.
How many classes of arthropods are there?
Arthropods are invertebrate animals with a chitinous exoskeleton, segmented bodies, and jointed legs. The phylum Arthropoda contains numerous taxonomic orders in over 20 classes.
Do all arthropods have 6 legs?
The number of legs found on an arthropod varies depending upon the group. Insects all have six legs, while arachnids have eight.
How are arthropods segmented?
Arthropods have segmented bodies, like the annelid worms. These segments have become specialized, however, with one pair of jointed appendages added to each segment. This process of segment fusion, or tagmosis, usually results in an arthropod body that consists of three major sections, a head, thorax, and abdomen.
What insect has 12 legs?
garden centipedes
Symphylans. Symphylans are arthropods that dwell in the soil and in turn, have earned the name garden centipedes. They have between 15 and 24 segments in their trunks of which ten or twelve have a pair of legs each. Symphylans have more than 200 species, with the young having 12 limbs while the adults grow up to 24.
Do all arthropods have 6 or 8 legs?
As arthropods grow larger, they shed their exoskeletons and grow new, bigger ones. The major groups of arthropods are arachnids, centipedes, crustaceans, insects, and millipedes. Spiders, mites, ticks, and scorpions are arachnids. These arthropods have only two body segments, eight legs, but no antennae.
How many classes are there in the Arthropoda?
Arthropods are classified into five sub-phylum and each then subdivide into classes (a total of 16 classes according to recent classification of animal taxa). Phylum Arthropoda:
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