12/17/2023 0 Comments Zebra shark facts for kids![]() ![]() Insects have six legs and two antennae, and their body is made up of three main regions: head, thorax, and abdomen. Having trouble distinguishing dragonflies from damselflies? At rest, dragonflies keep their wings spread out, while most damselflies hold their wings together above their backs. The South Florida Collections Management Center, which houses museum collections from five National Park Service units in south Florida, curates more than 5,000 insect specimens from Everglades National Park.ĭespite their intimidating appearance, dragonflies do not bite humans and are popular because they eat lots of mosquitoes. Entomologists have prepared lists of some insect groups, such as bees, ants, and butterflies, but no park-wide inventory has been carried out yet. No one knows exactly how many insects are found within Everglades National Park. These species are divided into 32 groups called orders, and beetles make up the largest group. More than one million insect species have been identified throughout the world, and some entomologists (scientists that study insects) estimate there may be as many as 10 million species. Insects represent about 90 percent of all life forms on earth. Arthropods are members of the taxonomic phylum Arthropoda, which includes insects, arachnids, and crustaceans. Insects are arthropods: invertebrate animals that have an exoskeleton, a segmented body, and jointed appendages. ![]() Instead of a backbone, insects have a hard exterior body covering, called an exoskeleton. What exactly is an insect? To begin, insects don't have a vertebral column (backbone) like people have and therefore are considered to be a type of invertebrate animal. Although the audible clicking sound is primarily used to avoid predation, the same physical body action that produces the sound is also useful when the beetle is on its back and needs to right itself. ![]()
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