Autotroph

 An organism capable of providing nourishment for itself by using inorganic materials as a source of nutrients, and photosynthesis or chemo-synthesis as a source of energy. 

Exoskeleton

 These ants have an exoskeleton which is an external covering or membrane protecting itself from harmful species and environments.

Cuticle

The outer layer of the arthropod membrane that has no cells. It is made of chitin and protein, also containing other hardening materials.

Spore

A walled, single too many celled reproductive body of an organism, with the abilities of creating a new individual either directly or indirectly.

Rhizome

 These radishes have a rhizome which is a root like subterranean that usually produces roots below and also creates shoots gradually from the upper surface of the plant.