antlers and horns Flashcards
(7 cards)
1
Q
what are true horns?
A
horns that consist of keratin covering that surrounds a bony core of live bone
2
Q
what animals are true horns found on and how long do they grow?
A
only found on artiodactyls, grow throughout lifetime
3
Q
what are ossicones?
A
bony projections that are covered with furred skin
4
Q
what animals are ossicones found in?
A
giraffes (NOT shed)
5
Q
what are fully developed antlers?
A
dead bone without a horn or skin covering
6
Q
how are antlers grown and shed?
A
grown from skull and supplied with massive amount of blood covered with fur, blood is cut off, fur sheds, antlers shed
7
Q
what are rhinoceros horns made of?
A
keratin, no bony core (grow continuously)
