Knowledge: Birds produce many babies multiple times in their life while humans produce mostly one baby at a time and now just one to raise due to rise of living cost.

Conversation:
hello i would talk about child
Awesome those individuals who have never had siblings are called only child of their parents.
Biologically, a child (plural: children) is a human being between the stages of birth and puberty. The legal definition of child generally refers to a minor,
Yes another consideration is that some children may have half-siblings or step-siblings, either living at the same house or else where
Yes there will join in same house and also they will adopted each other.
That's interesting! Going back to only children, did you know they were fairly rare throughout history?
No surprise. But I wonder why it is not common to have many babies now?

Response: Well, the sad reality is that humans produce mostly one baby at a time and now just one to raise due to rise of living cost.