What condition must organisms meet in order to be considered members of the same species?

the sphincter muscles at the end of the digestive tract is the anus.

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.