Final answer:
A blended family is a mixture of parents and children who are unrelated by blood, while an extended family is a group of people who use family titles to refer to each other.
Step-by-step explanation:
Blended family:
A blended family refers to a mixture of parents and children who are unrelated by blood. This occurs when two separate families come together as a result of marriage or partnership, creating a new family unit.
Extended family:
An extended family is a group of people who are not related by blood but use family titles to refer to each other. This may include aunts, uncles, cousins, grandparents, and other relatives, who may all live in close proximity or separate households.
Learn more about Blended family and extended family