Which of the following is not an observation that was made by darwin

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.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.