parental care Flashcards
1
Q
parental care
A
- pattern of behaviour where parent spends time or energy improving survival conditions for future reproductive success
- high energy input
- exothermic (fish, amphibians and reptiles)
- endothermic (birds and mammals)
2
Q
prenatal
A
- guarding eggs
- building nests
- carrying broods
- incubating eggs
- placental nourishment
3
Q
postnatal
A
- providing food
- protection
- exchange of knowledge (teaching)
4
Q
fish
A
- most show no parental care
- parental care : 20%
- building nests
- guarding eggs
- fanning for oxygen
- cleaning to disinfect
5
Q
amphibians
A
- aquatic reproduction
- minimise loss from predators
- egg guarding
- building terrestrial-breeding sites away from water
6
Q
reptiles
A
- no parental care
- guarding eggs
- incubation
- protection (predators)
7
Q
birds
A
- extensive parental care
- incubation
- nest building
- brooding
- feeding
- protection
- teach young
8
Q
mammals
A
- intense parental care
9
Q
what are characteristics of parental care?
A
- maternal care
- lactation
- protection (cold and predators)
- teach to gather food
- licking (established relationship)
- paternal care
- special nests (burrows)
