Questions and Answers
What kind of arthropod is found in Class Chilopoda?
Centipedes
Do Chilopoda have simple (ocelli) or compound eyes?
Most species have small collections of simple eyes (ocelli).
Do Chilopoda (centipedes) actually have 100 legs like their name implies?
False
How many sets of legs are on each Chilopoda body segment?
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Are all Chilopoda legs the same size?
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What is the name for the seams between a Chilopoda's body segments?
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What is the name for the two limbs on the front of the Chilopoda body that stretch forward, cover most of the mouth, and end in small claws that contain venom?
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How do the exoskeletons of Chilopoda differ from other arthropods?
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Where are the Chilopoda's defense hooks located?
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In what kinds of habitats do Chilopoda live?
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How many segments make up a Chilopoda trunk?
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Are Chilopoda predators?
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What body part do Chilopoda use to seek out prey?
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What kind of mouthparts do Chilopoda have?
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How many species of centipedes have been discovered?
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Which Chilopoda body part is unique to their class of arthropods?
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Chilopoda are described as elongated, _________________________ creatures.
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Chilopoda can be up to _________ inches long.
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Chilopoda have a ________________________ breathing system.
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What are Chilopoda generally adapted for?
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Chilopoda have a single pair of _______________________ antennae.
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Some Chilopoda have sensory organs known as?
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Are Chilopoda specialized or generalist predators?
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Are Chilopoda nocturnal or diurnal?
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What are the three main defense mechanisms that Chilopoda use?
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Chilopoda lay -_ eggs at a time.
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Some species are _______________________, meaning the offspring eat their own mothers.
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Chilopoda are long-living compared to many other arthropods, living from -_ years.
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What is an important contribution of Chilopoda to our environment?
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Which have longer antennae - Chilopoda or Diplopoda?
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Do most Chilopoda mothers stay with their eggs and protect them?
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Study Notes
Chilopoda Overview
- Class Chilopoda includes centipedes, recognized for their elongated and segmented bodies.
- Centipedes do not literally have 100 legs; leg count varies from 30 to 354, always having an odd number of pairs.
Anatomy and Physiology
- One pair of legs per body segment, with size increasing from front to back for efficient movement.
- Forcipules, unique to Chilopoda, are venomous limbs located at the mouth, aiding in prey capture.
- Breathing occurs through a tracheal system with spiracles located along the body.
- Sutures are the seams between body segments, contributing to their segmented structure.
Sensory and Defense Mechanisms
- Most have simple eyes (ocelli) for limited vision; some species possess compound eyes or none at all.
- Defense mechanisms include speed, venomous bites from forcipules, and the secretion of chemicals.
- Chilopoda possess specialized sensory organs known as Tomosvary organs.
Habitat and Behavior
- Found in diverse habitats, particularly in moist environments like leaf litter and under rocks.
- Nocturnal by nature, they are generalist predators that hunt a variety of soft-bodied prey, including slugs and snails.
- Chilopoda maintain a filamentous pair of antennae for environmental sensing.
Reproduction and Lifespan
- Females can lay between 10-50 eggs; some species exhibit matriphagy, where offspring consume their mothers.
- Lifespan ranges from 5 to 10 years, longer than many arthropods.
Ecological Role
- Serve as key predators in their ecosystem, controlling pest populations and providing a food source for various animals, including birds, mammals, and reptiles.
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Description
Test your knowledge on the fascinating world of Chilopoda, commonly known as centipedes. This quiz covers their characteristics, such as eye types and other defining traits. Perfect for students studying arthropods or anyone interested in Entomology.
