are arthropods insects
Its body is divided into three parts. Insects are divided into two main groups: those with wings and those without. There are nearly one million known species A group of individuals that have many of the same characteristics, and are different from all other animals in some important way. 1 It supports the body. 2  An animal with a backbone is called a vertebrate. or internal skeleton. 3  Instead, they have a hard exoskeleton Meaning outside skeleton, it refers to certain animals' hard outer bodies. 4  For example, many insects have a hard skin called an exoskeleton. Aquatic arthropods respire with gills. Terrestrial forms rely on diffusion through tiny tubes called trachea. Trachea are cuticle-lined air ducts that branch throughout the body, and open in tiny holes called spiracles, located along the abdomen. Arthropods Facts. Arthropods are air-breathing invertebrate animals which have paired jointed legs, exoskeleton and a segmented body. Arthropods are generally classified into four classes: 1. Insects (Includes Ants, butterfly, grasshopper, cockroaches etc. Over 1 million known species). 2. 1 Instead, they have a hard exoskeleton Meaning outside skeleton, it refers to certain animals' hard outer bodies. 2  For example, many insects have a hard skin called an exoskeleton. 3  The exoskeleton does not grow; it must be molted. 4  Crabs, lobsters, and tarantulas have exoskeletons too. on the outside of the body.). What Makes an Insect A small animal without a backbone. Insects are divided into two main groups: those with wings and those without. There are nearly one million known species A group of individuals that have many of the same characteristics, and are different from all other animals in some important way. There are over 800,000 named species in the Phylum Arthropoda, named from the Greek arthros (= jointed) and poda (= foot), including the familiar arachnids, crustaceans, and insects, together with a host of less familiar critters, like centipedes, millipedes and sea spiders. All arthropods have jointed appendages. Insects have a head, thorax, and abdomen, with three pair of legs (6 legs) on the thorax. (Crustaceans have legs on the abdomen as well as on the thorax). Most insects have one or two pairs of wings. They are the only invertebrates that fly. Arthropods/ Insects. Arthropods are invertebrates which have paired jointed legs, exoskeleton and segmented bodies. Insects are invertebrates that have a body divided into three parts (head, thorax and abdomen). They have six jointed legs and live on land and in water. This very successful group of arthropods have four pair of walking legs (8 legs). The first pair of appendages are the chelicerae, and the second pair are pedipalps, appendages modified for sensory functions or for manipulating prey. They are mostly carnivorous (many mites are herbivores).
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