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Choose Your Plan To Proceed
How they feed.
The features they have in common
How they respire.
How they can survive.
Unicellular and simple multicellular organisms with membrane bounded nucleus.
True multicellular organisms with no distinct membrane bounded nucleus.
True multicellular organisms with membrane bounded nucleus.
Unicellular organisms with no distinct membrane bounded nucleus
They are too poorly understood.
They are too small
Their genetics cannot be determined.
They are not considered organisms