autotrophs
organisms that release oxygen to the air during daylight hours
both
organisms that must use energy to synthesize organic compounds
autotrophs
organisms that use light energy to synthesize organic compounds
heterotrophs
organisms that can use energy from organic compounds to synthesize other organic compounds
both
organisms that can use the products of photosynthesis to synthesize their organic compounds
both
organisms that require sunlight in order to survive
autotrophs
organisms that make inorganic nutrients available for use
heterotrophs
organism that use dead plants and animals as food