reptile reproduction Flashcards
(19 cards)
what kind of fertilisation do reptiles use
internal
what is a hemipenes
a paired intromittent organ in squamates
what reproductive structure do turtles and crocs use
a single penis derived from the cloacal region
what are hemiclitores
female genital structures recently documented in squamates
what is oviparity
egg laying, embryos develop in eggs outside the mother
what is viviparity
live birth, embryos develop inside the mother
what is lecithotrophy
embryos receive nutrients from the mother
what is parthogenesis
asexual reproduction without fertilisation
name a species that reproduces parthogenetically
Brahminy blindsnake
what reptile group shows the most viviparity
squamates
what triggers breeding in temperate reptiles
temperature and photoperiod
what triggers breeding in tropical reptiles
rainfall and humidity changes
how do male snakes locate females
pheremone trails
how do crocodylians display for mates
tactile, auditory, and visual signals
what is shivering thermogenesis
muscle vibrations used by pithons to incubate there eggs
what reptile shows maternal care via egg brooding
indian pythons
what proportion of squamates exhibit parental care
3% of genera
what type of parental care do crocodilians provide
nest gaurding and post-hatching protection
what social behaviour is seen in vivparous lizards in Egernia
family group living and coopoerative defence