Biology

The correct answer is: C.Punctuated equilibrium.

Explanation:

Punctuated equilibrium proposes that species are generally stable for long periods, but occasionally, disruptive events (such as environmental changes or mass extinctions) trigger rapid evolutionary changes. These bursts of change are followed by long periods of stability or little change, which aligns with the description provided.

Here's why the other options don't fit:

A.Transformational theory (often linked to Lamarckian evolution) suggests that individuals change during their lifetime and ...