"The more life there is within a system, the more niches there are for life," his father said.
The Baron shifted his gross body in the suspensors, focused his attention on an ebaline statue of a leaping boy in a niche across the room.
The dark niches of his eyes remained steady on Paul with their untamed stare.
A system! A system maintains a certain fluid stability that can be destroyed by a misstep in just one niche.
They turned then to the necessary animal life — burrowing creatures to open the soil and aerate it: kit fox, kangaroo mouse, desert hare, sand terrapin …. and the predators to keep them in check: desert hawk, dwarf owl, eagle and desert owl; and insects to fill the niches these couldn’t reach: scorpion, centipede, trapdoor spider, the biting wasp and the wormfly …. and the desert bat to keep watch on these.