endangered species

3 Articles

Trophic Cascade: How Predators Shape Entire Ecosystems

A trophic cascade ripples through a food web when predators suppress prey, releasing lower trophic levels from grazing pressure.

March 24, 2026

Non-native organisms that harm ecosystems, economies, and health. Over 3,500 species worldwide qualify as harmful invaders.

March 23, 2026

The bottleneck effect is a form of genetic drift in which a population's size drops sharply, leaving survivors with only a fraction of...

March 21, 2026