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That depends on which organism. Generally, an organism is more complicated than an organ, but if the organism is unicellular (has one cell) then it could be more simple. Since one celled organisms don't have individual organs, then the anwer is that organisms are more complicated than organs.
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∙ 14y ago
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∙ 13y agoBy single organisms I assume you mean unicellular organisms. That is one of the more well accepted theories involving the origin of multicellular organisms. It is, however, far being definitively proven.
Wiki User
∙ 13y agoSome do, they cause by mutations. We are complex organisms that started off as unicellular organisms. So humans do.
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∙ 9y agoSimple and complex organisms have some similar characteristics. Some of these include physical vitality (will to live), reproductions, and similar life cycles.
Wiki User
∙ 12y agoInitially on earth there were only very simple single-celled organisms in what would become earth's oceans, literally everything on earth most likely can be traced back to the first one(s).
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∙ 9y agoHow are simple and complex organisms different
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How are organisims are classified from simple to complex?
Organisms are classified as simple if they only have one cell such as bacteria, and complex organisms have multiple cells that function together to keep the organism alive and maintai homeostasis.
What does autotropic mean?
Definition for AUTOTROPHIC :Of or relating to organisms (as green plants) that can make complex organic nutritive compounds from simple inorganic sources by photosynthesis.
More complex organism including plants and animals are called what?
multicellular organisms
Least comlex to most complex?
cells to tissues to organs to organ systems to organisms... cells to tissues to organs to organ systems to organisms...
Would two organisms with the same genus look alike?
Not necessarily, there can be many similarities and differences within a genus
Which evolved first - organisms with complex body structures or those with simple body structures?
Complex organisms evolved from simple organisms, so simple organisms evolved first.
What is the difference between simple and complex organisms?
Simple Organism some simple organisms are made of single cell. Others are made of many cells that are similar Complex organisms in complex organisms, cells are organized into tissues, which make up organs. Organs form organ systems.
Common building block of simple and complex organisms?
The common building blocks of simple and complex organisms are called cells. They are the smallest structural unit of an organism.
Are arthropods complex or simple organisms?
Arthropods are complex organisms. They are made up of cells, tissues, organs, and organ systems.
What do complex organisms and simple organisms have in common?
They're both organisms, right?
How are organisims are classified from simple to complex?
Organisms are classified as simple if they only have one cell such as bacteria, and complex organisms have multiple cells that function together to keep the organism alive and maintai homeostasis.
Can you list some simple and complex organisms?
My wife is complex. And she's an animal. But I don't think I'd call her an animal to her face...
What are some advantages of studying heredity in plants and simple organisms?
Less complicating factors than trying to study complex organisms.
Are archaebacteria simple or complex?
Archaebacteria are some of the oldest organisms living on Earth. They are considered simple because of their external body structure.
How are simple machines and complex machines similar?
they are nothing alike you idiot....one has one machine and the other has two...stupid
How is a racing bike and a tricycle alike?
They both use wheels. They're both complex machines assembled out of simple machines.
What are advantages of human beings are complex organisms?
advantages of human beings are complex organisms
