Darwin's theory of natural selection provides an explanation for why organisms develop traits that help them survive and reproduce. Because of this, death is often seen as a failure rather than a ...

For example, crows, vultures and hyenas are scavengers. Decomposers Feed on dead and decaying organisms, and on the undigested parts of plant and animal matter in faeces.

For example, crows, vultures and hyenas are scavengers. Decomposers Feed on dead and decaying organisms, and on the undigested parts of plant and animal matter in faeces.

Multicellular life forms that emerge from the cells of a dead organism suggest that a "third state" lies beyond life and death. The discovery has raised fresh questions about what it means to die ...