Primary consumer Primary consumers are herbivores, which eat producers. Secondary consumer Secondary consumers are carnivores, which eat primary consumers. Tertiary consumer Tertiary consumers are ...

Biodiversity was booming in the early Cretaceous Period, and not just among dinosaurs. The oceans also teemed with life, including some monstrous predators unlike anything alive today. In a new study, ...

Food web is an important conceptual tool for illustrating the feeding relationships among species within a community, revealing species interactions and community structure, and understanding the ...