The trilobite is able to survive droughts because it is eggs can survive millions of years before hatching.
Trilobite.
Trilobite+sand=crab
rock and plankton
Dens are unique to the axis.
Although researching has provided a definition for the word trilobite there does not seem to be any reference as to why one would be referred to as a trilobite. A trilobite is an extinct arthropod from Paleozoic times of which the skeleton is divided into three parts.
Aristides identified Christianity as the unique feature of the Roman Empire.
Mezcal is a type of liquor that sometimes contains a worm as a unique feature.
A unique feature is that it has many tall towers with curving sides that taper at the top.
They are unique by being unique.
8=D
No idea! Srry ;
Cats have retractable claws, a unique feature that sets them apart from other animals.