The excretions of living organisms are best categorized as?

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior