What is the answer?

Young robins build the same kinds of nests their parents build even if the young birds have never seen their parents build a nest. This is an example of

OPTIONS:
- a learned behavior.
- an inherited behavior.
- a physical characteristic.
- acquired characteristic.
an inherited behavior.
Vad är svaret? Unga rödhakar bygger samma slags bon som sina föräldrar bygger även om ungfåglarna aldrig har sett sina föräldrar bygga ett bo. Detta är ett exempel på ALTERNATIV: - ett inlärt beteende. - ett nedärvt beteende. - en fysisk egenskap. - förvärvad egenskap.
What's the answer? Young robins build the same kind of nests their parents build although the young birds have never seen their parents build a nest. This is an example of ALTERNATIVE: - a learned behavior. - an inherited behavior. - a physical quality. - acquired property.
ett nedärvt beteende.
an inherited behavior.