Dinosaur Biology and Behaviour

Question 1

integument

Answer 1

outermost body covering

eg most dinos were covered in scales

Question 2

scutes

Answer 2

scales overlaid with horny covering made of kerotin and other proteins

Question 3

filamentous coverings

Answer 3

skin coverings (slender fibres)

includes pycnofibers of pterosaurs

Question 4

filamentous quills

Answer 4

seen in ornithiscian fossils

eg quills on the tail Psittacosaurus on Tianyulong

Question 5

feathers

Answer 5

integument for many theropods, but only amongst coelurosaurs

calamus and base embedded into skin

primitive fossils of tyrannosaurs in China show presence of proto-feathers

Question 6

melanosomes

Answer 6

identified fossils in 2008-9

minute structures found with a scanning electron miscroscope

contains melanin - a pigment

different shapes of melanin give different colours

Question 7

dino behaviour

Answer 7

feeding

locomotion

herding

pack hunting

display

defense

parental care