churn noun (CUSTOMERS) âº [ S or U ] specialized also churn rate business the number of customers who decide to stop using a service offered by one company and to use another company, usually because it offers a better service or price: Internet and cable television companies suffer from a high churn rate.
Asker's rating. Report Abuse. No, the families they belong to are Rhinos-Rhinocerotidae Hippos-Hippopotamidae Pigs-Suidae Horses-Equidae Family is a particular term used in biological classification. What you may be thinking of is that they are all ungulates (Ungulata-which is a Superorder) - hooved animals.
Porpoise. Porpoises belong to the Family: Phocoenidae, and contain only six living species with some in freshwater. Scientists believe that these animals evolved before 23 million years ago according to fossil evidences. They have streamlined bodies, which are more compact and shorter compared to other cetaceans.