In addition to primates, marine mammals — including several species of whales, dolphins, and porpoises — are among those mammals slipping most quickly toward extinction. Through photosynthesis, plants ...

Known as the Great Dying ... the scale of the biological catastrophe that unfolded. The planet had experienced similar ...

These studies aim to clarify the complex interactions between biological evolution ... the ocean becomes depleted of oxygen—played a crucial role in these extinction events.

Euxinia: A condition in marine environments characterized by low oxygen levels and the presence of toxic hydrogen sulfide, often leading to mass extinctions. Vascular plants: Plants that have ...