Unnatural Selection May 2026

Human-induced evolution caused by unnatural selection ... - PNAS

In modern biology, "unnatural selection" describes how human activity—rather than natural environmental pressures—forces species to evolve. Key areas include: Unnatural Selection

Hunting and fishing often remove individuals with "desirable" traits (like large size or tusks), leading to populations with smaller bodies or tuskless offspring, as seen in Zambian elephants. Human-induced evolution caused by unnatural selection