A particular single-celled organism uses radiant energy to fix carbon as sugars. This organism generates ATP by breaking down sugars through a process that uses oxygen. This organism is aerobic autotroph.
Autotrophs produce their own food from the substances available in their surroundings using light through photosynthesis or chemo-synthesis.
<span>Many traits require the concerted action of multiple genetic loci, often in combination with the environment.</span>
Ecologists make models to gain insight into complex phenomena such as the effects of global warming on ecosystems.
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That isn't even possible. Your body is made of them. If you had none then you wouldn't be existing.
