Question

1. explain how positive feedback works (2pt)

Explanation:

Positive feedback amplifies an initial change. A small change triggers a response that increases the magnitude of the original change. For example, in childbirth, the release of oxytocin causes uterine contractions. These contractions then stimulate more oxytocin release, intensifying the contractions until the baby is born. In ecosystems, positive - feedback loops can lead to rapid changes in population sizes or environmental conditions.

Answer:

Positive feedback amplifies an initial change. A small change triggers a response that increases the magnitude of the original change, as seen in processes like childbirth or certain ecological changes.