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    you find a multi-legged animal in your garden and want to determine if it is a centipede or a millipede. which of the following characteristics would allow you to make this distinction?

    James

    Guys, does anyone know the answer?

    get you find a multi-legged animal in your garden and want to determine if it is a centipede or a millipede. which of the following characteristics would allow you to make this distinction? from EN Bilgi.

    Centipede or Millipede? What’s the Difference?

    Quick, what was that? It had many legs and a long, segmented, wiggling body. You know you’ve seen one before. Was it a centipede or a millipede?

    CENTIPEDE OR MILLIPEDE? WHAT’S THE DIFFERENCE?

    Quick, what was that? It scuttled by in a flash, but you caught a few defining characteristics. It had many legs and a long, segmented, wiggling body. You know you’ve seen one before. Was it a centipede or a millipede?

    A few unique characteristics help define which of our many-legged friends is which.

    What’s the difference?

    Both centipedes and millipedes are made up of segments that link together to form one, long body. With this body form in common, it might be hard to tell the difference between the two at first glance. Here are a few tips to spot the differences:

    Millipedes have two sets of legs per segment positioned directly under their body. Centipedes have one set of legs per segment positioned on the side of their body.

    Centipedes mostly eat insects after killing them with their venom. Millipedes feast on decomposing plants.

    If looking from the side, centipedes have a flatter body while millipedes are more rounded.

    They respond to threats in different ways. A millipede will coil up and release a smelly secretion. Centipedes can bite (which is typically harmless to humans) and run away quickly.

    It’s all in the “family”

    These two also have enough in common to make them “cousins” in the animal kingdom.

    Scientists have grouped them together because of their similar segmented bodies.

    Both have poor or non-existent vision and rely on other senses, like the feel of vibrations.

    They prefer to live in dark environments, which is why you may have seen them in an unlit corner of your basement.

    The longest species of each measure about six inches in length.

    Say no to “Nope!”

    Of course, they may not be the most pleasant creatures to some folks. There is, however, plenty to observe and you’ll find they really are quite fascinating! At the Carnegie Museum of Natural History, Curatorial Assistant Catherine Giles and Collection Assistant Vanessa Verdecia study these animals and many more in the Section of Invertebrate Zoology. Scientists like them across the world could use your help!

    There are not many known studies of centipedes or millipedes, even though they are incredibly common and span the globe. Catherine said she would urge people not to say “Nope!” when it comes to centipedes and millipedes. Instead, we should be curious. Studies need to be done in the field with live specimens (ecology) and in labs or offices classifying specimens (taxonomy).

    There are more than 3,000 known and an estimated 8,000 species of centipedes. There are upwards of 7,000 known and 80,000 estimated species of millipedes. Millipedes can be found in moist forest areas, while centipedes prefer dry environments. Try and find examples of both species. Take a closer look. Do you notice the differences outlined here? What about the similarities? If you were to study these creatures, would you prefer to be on the scene or in the lab? There’s no wrong answer as long as you don’t say, “Nope!”

    Fun Fact

    “Milli” is a latin prefix for 1,000 and “centi” is for 100.  Don’t assume that’s exactly how many legs each has on its entire body, though!

    Some species of millipedes can have as many as 750 legs. Centipedes can have more than 350 legs.

    Learn more in Nature Lab!

    Source : carnegiemnh.org

    How are millipedes and centipedes alike and how do they differ?

    While both millipedes and centipedes belong to the phylum Arthropoda and to the subphylum Myriapoda, millipedes belong to the class Diplopoda and centipedes belong to the class Chilopoda. Read on to discover additional ways in which millipedes and centipedes are alike or different. The Almond-scented millipede, Apheloria virginiensis corrugata, has beautiful coloration. Many millipedes with … Continue reading “How are millipedes and centipedes alike and how do they differ?”

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    QUESTION How are millipedes and centipedes alike and how do they differ?

    QUESTION How are millipedes and centipedes alike and how do they differ? Answer

    While both millipedes and centipedes belong to the phylum Arthropoda and to the subphylum Myriapoda, millipedes belong to the class Diplopoda and centipedes belong to the class Chilopoda. Read on to discover additional ways in which millipedes and centipedes are alike or different.

    The Almond-scented millipede, Apheloria virginiensis corrugata, has beautiful coloration. Many millipedes with bright colors are reported to secrete cyanide compounds as a defense, so picking them up is not advisable, especially for children.  Kent Walters, photographer, 2013,  Catoctin Mountain Park.  National Park Service, NP Gallery

    Some of the ways in which millipedes and centipedes are alike include:

    They are both invertebrates (without backbones) and belong to the largest phylum in the Animal Kingdom which also includes insects, spiders, crabs, lobsters, etc.

    They both have one pair of antennae, many pairs of legs, and breathe through little holes or spiracles on the sides of their bodies.

    They both have segmented bodies, poor vision, external skeletons and jointed legs.

    They grow by moulting or shedding their external skeletons and, when young, grow new segments and legs each time they moult.

    They are both found throughout the world, but are most abundant in the tropics.

    They require a moist environment and are most active at night.

    House Centipede, Catoctin Mountain Park. Alicia Lafever, photographer, 2014.  National Park Service, NP Gallery.

    Some of the ways in which millipedes and centipedes differ from each other include:

    Millipedes have two pairs of short legs on each body segment, a rounded body, and a hard external skeleton. Their legs are tucked under the body and difficult to see. The number of body segments varies with the species (estimated in the range of 10,000 species), but the number of pairs of legs generally ranges between 40 and 400. The females of a nearly extinct species of California millipede have up to 750 legs.

    Centipedes have only one pair of legs on each body segment; these are easily spotted sticking out from their flattened bodies. The number of body segments varies with the species (estimated in the range of 8,000 species), and the pairs of legs vary from 15-177, plus or minus one. Centipedes have an odd number of pairs of legs; the last pair trails behind the body.

    Millipedes have short antennae and move in slow waves, burrowing and eating their way through moist leaf clutter, fungi, and decayed plant material on the ground. As they plow through the soil, munching on dead plants and other vegetation, they aerate and enrich the soil, much like earthworms.

    Centipedes have long antennae and their back legs are nearly as long as their antennae. The antennae help them locate their prey, and their first pair of legs, modified into venomous claws, help them capture and paralyze their prey. Centipedes eat spiders, insects, worms, and other arthropods. The Amazonian giant centipede is over twelve inches in length and is said to eat frogs, mice, and lizards.

    This Orange Foot Galapagos Giant Centipede at Wizard Hill (Cerro Brujo) on San Cristobal Island is a full-grown adult at approximately 45 cm.   The World Factbook: Ecuador, Central Intelligence Agency.

    Millipedes are attacked by shrews, toads, birds, and badgers. When attacked, millipedes curl their bodies into tight spirals to protect their soft undersides. This coil shape also protects their heads and legs. They sometimes burrow to bury themselves when disturbed, using their front legs to push away the soil. Many species of millipedes have defense glands (called ozopores) which discharge a smelly and disgusting-tasting liquid that drives off many predators. This liquid contains a variety of irritants including hydrochloric acid, phenol, and irritating quinones.

    Centipedes are attacked by lizards, scorpions, and birds. Centipedes are flexible, fast, and toxic. They use both their long back legs and antennae in escaping predators, speedily scuttling away between cracks in rocks, litter, and logs. Centipedes can quickly move backwards and sideways if necessary. In addition to poisoning animals with their venomous bite, centipedes can use their long back legs to squeeze a predator. Their venom includes several substances including histamines, serotonin, and cardio-toxins. Centipedes can also, like some insects, crabs, and lobsters, simply “drop” legs held by a predator and run away on their remaining legs.

    Desert millipede (Orthoporus ornatus),  Petroglyph National Monument, 2016.  National Park Service, NP Gallery.

    Published: 11/19/2019. Author: Science Reference Section, Library of Congress

    Related Websites

    Source : www.loc.gov

    Bio 94 Ch.34 Flashcards

    Memorize flashcards and build a practice test to quiz yourself before your exam. Start studying the Bio 94 Ch.34 flashcards containing study terms like On which body segment are arthropod wings attached?, Why do crustaceans have a carapace? (The carapace is a platelike structure of the crustacean exoskeleton.), A land snail, a clam, and an octopus all have _____. and more.

    Bio 94 Ch.34

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    On which body segment are arthropod wings attached?

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    thorax

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    Why do crustaceans have a carapace? (The carapace is a platelike structure of the crustacean exoskeleton.)

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    It protects the cephalothorax.

    * The carapace covers and protects the cephalothorax.

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    1/15 Created by Leilani_Diego

    Terms in this set (15)

    On which body segment are arthropod wings attached?

    thorax

    Why do crustaceans have a carapace? (The carapace is a platelike structure of the crustacean exoskeleton.)

    It protects the cephalothorax.

    * The carapace covers and protects the cephalothorax.

    A land snail, a clam, and an octopus all have _____.

    a mantle

    All arthropods _____.

    1) undergo complete metamorphose

    2) have jointed appendages

    3) molt

    4) have segmented bodies

    5) have an exoskeleton or cuticle

    2,3,4,5

    The protostome developmental sequence arose just once in evolutionary history, resulting in two main subgroups—Lophotrochozoa and Ecdysozoa. What does this finding suggest?

    Division of these two groups occurred after the protostome developmental sequence appeared.

    The presence of a lophophore in a newly discovered species would suggest that the species _____.

    is a suspension feeder

    What is the function of the arthropod exoskeleton?

    It provides protection and functions in locomotion.

    Among the invertebrate phyla, phylum Arthropoda is unique in possessing members that have ____

    wings

    Wormlike lineages of lophotrochozoans are distinguished by specialized _____. (Wormlike lophotrochozoans include suspension, deposit, liquid, and mass feeders.)

    mouthparts or feeding structures

    *Many wormlike lophotrochozoans have specialized mouthparts.

    You find what you believe is a new species of animal. Which of the following characteristics would enable you to argue that it is more closely related to a flatworm than it is to a roundworm?

    It has no coelom.

    What would be the most direct effect of removing or damaging an insect's antennae? The insect would have trouble _____.

    smelling

    What characterizes an ecdysozoan? (The most prominent ecdysozoan lineages are nematodes and arthropods.)

    Ecdysozoans grow by molting.

    *Ecdysozoa are defined by a clear synapomorphy: They grow intermittently by shedding the exoskeleton, or external covering.

    You find a multi-legged animal in your garden and want to determine if it is a centipede or a millipede. You take the animal to a university where a myriapodologist quickly tells you that you have found a centipede. Which of the following may have allowed her to make this distinction?

    poisonous fangs

    Predict why annelids and arthropods were thought to be closely related, before the phylogenetic analyses in the late 1990s.

    They have segmented bodies, unlike other protostomes.

    Where should the origin of spiral cleavage be placed on the phylogenetic tree? (Which group has radial cleavage and which has spiral?)

    At the base of Lophotrocozoa

    *Nearly all in this group have spiral cleavage.

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