BIO 1123 SOREN BONDRUP-NEILSEN EVAN CARR KINNEAR, TYLER
GOUTHRO, ERIKA DE WINTER, DANIEL GRENON Chilopoda
Slide 3
Evolution Two hypotheses : 1. scutigeromorph-like (elongation)
2. geophilomorph-like (tachygenesis) Five subgroups Forefront of
evolutionary studies. Fossil records of 420 million years
Slide 4
Characteristics Multiple Segments 15-191 Pairs of Legs Few
millimetres up to 37 centimetres Two Large Poisonous Fangs, Rear
Hind Legs and Antennae Variable Colours; Mainly Dark
http://4.bp.blogspot.com/-
Q1n6oQipumI/Tawowda46WI/AAAAAAAADWo/jfSgyd
HPn6c/s1600/centipede.jpg
http://cookislands.bishopmuseum.org/MM/MX5/5AT505_Scol-
subs_RR2_GM4_MXa.jpg
Slide 5
Habitat and Population Live in damp places Found on all
continents except Antarctica Have population densities around 8-65
organisms/metre squared
http://farm3.staticflickr.com/2575/3784516262_61de8fe9ee_z.j
pg?zz=1 http://biology.unm.edu/ccou ncil/Biology_203/Images/Pr
otostomes/centipedes.jpg
Slide 6
Diet/Feeding Feed on insects, spiders, worms Larger species can
eat lizards, snakes, small mammals Detect prey with antennae stun
or kill with venom from fangs
Slide 7
Reproduction Sperm transfer is indirect Male constructs web
from glands in posterior end Spermatophore emitted and placed in
web Female picks up and places in her gonopore. 15-35 eggs laid in
soil or hollowed out wood Female winds body around egg mass and
guards