fighting reading Flashcards
do females have a choice about their sexual partners?
no
how do males challenge other males?
1st- roar (slow then speed up)
2nd- walk parallel
3rd- fight
antlers in red deer
- females: don’t grow them
- males: grow every rutting season
antlers require:
large dietary quantities of materials e.g. phosphorus and calcium salts
what are harems?
1 males and multiple females
2 animals that exaggerate their body size
- Siamese fighting fish
2. frigate bird
how big were the extinct giant deer’s antlers
3 meters
competition between 2 stages involves both _____ and ______-
fighting
assessment
2 ways of assessing the likelihood that a rival will win a fight is to look for direct indications of fighting potential such as ______ and ________
body size
weapons
behaviour of female elephant seals during copulation
protest loudly so more dominant male can fight and copulate with her successfully
what did Zahavi suggest?
females prefer males precisely because they carry a handicap and therefore be robust e.g. peacocks and paradise birds
why did darwin say females choose their sexual partners while males compete for her attention?
larger investment of offspring
