Squamata

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melanophores

responsible for change in color
hemipenes

each of the paired male reproductive organs in snakes and lizards
viviparous

bringing forth live young that have developed inside the body of the parent
ovoviviparous
- amniotic eggs hatch internally
- half way between live birth and egg laying
- occurs in lizards and snakes
wait and watch

type of predator
seek and search

predators that are on the move, they're active foragers
kinetic skull
- can change the shape of skull
- can split the dentary (middle of lower jaw) in half so their mouth opens wider
pregnant coloration

develop color to signal to other males that she is sexually unreceptive
pit organ

located next to the nostril in snakes and it senses heat
fringe-toed lizard
- modified characteristics to live in sand dunes
- upper lip folds over lip
- flaps over the ears
- sand cant get into their eyes
- adaptations for burrowing sand
- have fringes on their toes
caudal anatomy
- ability to lose tail whenever they want
- helps them avoid predation
cryptic coloration
- signal colors on their tummy
- blue ventral to demonstrate dominationf
venom gland
- modified saliva gland
- located in cheekish area

Author

246481

Card Set

Squamata

Description

Bio 101 lecture 20

Updated

2013-11-12T15:43:53Z

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