Cattle depend on microorganisms in their digestive tract to digest the cellulose in their diets. the cattle and the microorganisms are .. carnivores mutalistic symbionts herbivores parastic symbionts

The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease