Myriapoda Classification and Characteristics

The video provides an overview of the subphylum Myriapoda, which includes four classes: Chilipoda, Diplopoda, Pauropoda, and Symphyla. It details the characteristics and orders of centipedes and millipedes, highlighting their differences in leg count, body structure, and defense mechanisms. The video also covers the less diverse classes Pauropoda and Symphyla, describing their unique features and ecological roles.

Which of the following classes of Myriapoda contains only one order?

• Pauropoda

• Diplopoda

• Chilipoda

• Symphyla

What is a distinctive feature of centipedes that differentiates them from other Myriapodans?

• Ability to roll into a ball

• Presence of venom glands

• Dorsoventrally flattened body

• Two pairs of legs per body segment

Which order of centipedes is known for its members that can live their entire lives in human dwellings?

• Lithobiomorpha

• Scutigeromorpha

• Geophilomorpha

• Scolopendromorpha

What is the primary diet of millipedes?

• Carnivorous

• Insectivorous

• Herbivorous or detritivorous

• Omnivorous

Which order of millipedes is known for producing hydrogen cyanide as a defense mechanism?

• Spirobolida

• Sphaerotheriida

• Julida

• Polydesmida

Which class of Myriapoda is characterized by having branching, jointed, and segmented antennae?

• Chilipoda

• Diplopoda

• Pauropoda

• Symphyla

What is a unique feature of pauropods that distinguishes them from other myriapods?

• Having more than 1,000 legs

• Ability to secrete noxious fluids

• Lack of eyes but high sensitivity to light

• Presence of venomous bite

Which class of Myriapoda is commonly referred to as garden centipedes?

• Chilipoda

• Diplopoda

• Pauropoda

• Symphyla

What is a characteristic feature of Symphyla that helps them evade predators?

• Ability to roll into a ball

• Large spinnerets that emit sticky threads

• Bright coloration

• Venomous bite

Which order of Symphyla is known to be a common pest in greenhouses?

• Scolopendrellida

• Lithobiomorpha

• Hexamerocerata

• Tetramerocerata