Deep time

Ancient Earth

The animals that came before. Bigger, stranger, mostly extinct, occasionally still here.

Species

250,000

Plant species

200,000

Endangered

100%

Pressure

Time, basically

Surprise of the day

Therizinosaurus had metre-long curved claws, no obvious predatory purpose, and was probably a vegetarian. Evolution is weird.

Who eats who

Apex predators on top. Energy flows down.

Loading ecosystem…