Questions and Answers
What is the characteristic that describes Arachnids having four pairs of walking legs?
Which statement about Arachnids is true regarding their body structure?
Arachnids usually have four pairs of simple eyes.
True
Arachnids have antennae.
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How do Arachnids respire?
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Study Notes
Characteristics of Class Arachnida
- Possess four pairs of walking legs, totaling eight legs for locomotion and various functions.
- Exhibit a cephalothorax, a fusion of the head and thorax into one body segment, simplifying body structure.
- Typically have four pairs of simple eyes, which provide basic vision capabilities.
- Lack antennae, distinguishing them from other arthropods such as insects.
- Respiration is facilitated through specialized organs called "book lungs," allowing efficient gas exchange.
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Description
Explore the key features of Class Arachnida through these flashcards. Learn about their distinct anatomy, including leg structure and sensory organs. Perfect for students of biology or anyone interested in arachnids.
