A non-toxic foam secretion prevents predationpine spittlebug
Excrement from pine spittlebug nymphs repels predatory ants when the nymphs engulf themselves in a foam derived from their feces.
Underground dens protect from coldsnakes
Snakes survive cold winters in part by using underground dens, the depth of which are linked to the prevailing winter temperatures.
Colonies maintain temperature and humiditySouth American grass-cutting ant
Colonies of South American grass-cutting ants maintain temperature and humidity via a thatched nest and systematic arrangement of nest material.
Inflatable Resilient Structures
Double-layered ball assists spore dispersalearthstar fungus
The double-layered ball of an earth-star fungus launches spores by splitting its outer skin, turning it inside out, and using it to push the second sphere and its contents up and out.