oxygen - that's it... is there anymore?
photosynthisis
An omnivore is an organism that can eat both plants and animals to obtain energy. Examples of omnivores include humans, bears, and raccoons.
All Plants must obtain water by osmosis
Plants obtain carbon for photosynthesis from carbon dioxide in the air.
Plant obtain their food from the sun. The process is called photosynthesis. Animals obtain their food from animals or plants.
Plants obtain oxygen during photosynthesis from water molecules.
Through respiration
The submerged plants obtain their supply of carbon dioxide from our penis or vagina.
obtain energy from nucleas
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the chlorophyll
They grow on another plant so that they can obtain the nutrition from that plant. They are known as parasitic plants.