Myriapoda

Question 1

What are the two classes of the sub Phylum Myriapoda that centipedes and millipedes are part of?

Answer 1

Chilopoda - Centipedes; Diplopoda - Millipedes

Question 2

How many legs do millipedes have versus centipedes?

Answer 2

Millipedes have 2 pairs of legs per segment versus centipedes that have 1 pair per segment

Question 3

What is a somite?

Answer 3

Each of a number of body segments containing the same internal structures; clearly visible in invertebrates such as earthworms but also present in the embryonic stages of vertebrates.

Question 4

What do millipedes eat?

Answer 4

They are detritivores eating plant matter and fungi

Question 5

What do centipedes eat?

Answer 5

Predatory carnivores; venom digests prey “externally” and liquified residue is sucked up

Question 6

How long do millipedes live for?

Answer 6

Up to 10 years

Question 7

Name 3 methods of defence used by millipedes

Answer 7

Toxic repellents (Hydrogen cyanides – “Hydrocyanic acid”) ;Writhing on back in a serpentine fashion to move away (snake-like and swifter movement) ;Rolling up into a tight ring to protect the vulnerable underside and legs (tough exoskeleton)

Question 8

What are the major millipede predators?

Answer 8

African Civet and Millipede Assassin (Ectrichodia crux)

Question 9

Name 3 methods of defence used by centipedes

Answer 9

Painful bite;Largely nocturnal; living under rocks and other safe refuges;Able to move fairly swiftly