Questions and Answers
What does the term 'Chilopoda' refer to?
What are the characteristics of Chilopoda?
Chain of flattened segments, appendages, exoskeleton, bilateral symmetry, poisonous fangs, predatory behavior, 1 pair of antennae, simple eyes, 10-270+ mm, respiratory system, digestive system.
What environments are Chilopoda typically found in?
Terrestrial, preferring moist areas.
What is a common representative of the class Chilopoda?
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What is the life cycle of Chilopoda?
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Chilopoda are important to humans primarily because they kill insects.
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What is the complexity of Chilopoda?
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Which of the following best describes the difference between centipedes and millipedes?
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Chilopoda typically reproduce in a viviparous manner.
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Study Notes
Class Chilopoda
- Origin of the name: "Chilo-" means claw or lip; "poda" means foot, referring to centipedes, which have numerous legs.
Characteristics of Chilopoda
- Body composed of a chain of flattened segments, allowing flexibility and mobility.
- Equipped with appendages and an exoskeleton, providing structure and protection.
- Exhibits bilateral symmetry, which is symmetrical along a central axis.
- Possesses poisonous fangs used for predation, helping to capture prey.
- Has one pair of antennae for sensory perception and simple eyes to detect light and movement.
- Size ranges from 10 mm to over 270 mm, indicating significant variability among species.
- Contains a specialized respiratory system for gas exchange and a digestive system with glands located in the mouth for breaking down food.
Environment of Chilopoda
- Primarily terrestrial organisms that thrive in moist environments, essential for their survival and reproduction.
Common Representative of Chilopoda
- Centipedes serve as the most recognized and studied representatives of this class.
Life Cycle of Chilopoda
- Reproduce sexually with internal fertilization.
- Females lay eggs, often accompanied by a sperm packet from males.
Importance of Chilopoda to Humans
- Centipedes play a beneficial role by controlling insect populations, acting as natural pest controllers in various ecosystems.
Complexity of Chilopoda
- Classified as having moderate complexity compared to other arthropods, reflecting their body structure and behaviors.
Other Facts about Chilopoda
- Centipedes are generally smaller and faster than millipedes, which are slower and cannot effectively run from predators.
- Oviparous reproduction (egg-laying) is more common, while viviparous reproduction (live birth) occurs in some species.
- Exhibit a nocturnal lifestyle by hiding during the day to avoid desiccation and reduce predation risk.
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Description
This quiz provides an overview of Class Chilopoda, including their characteristics, environment, and unique features. Test your knowledge about these fascinating centipedes and explore their biology and ecological significance.
