Why Are Animals Multicellular?
As Multicellular Organisms, Animals Differ from Plants and Fungi Because Their Cells Don't Have Cell Walls; Their Cells May Be Embedded in an Extracellular...
As multicellular organisms, animals differ from plants and fungi because their cells don't have cell walls; their cells may be embedded in an extracellular matrix (such as bone, skin, or connective tissue); and their cells have unique structures for intercellular communication (such as gap junctions).
Why are animal cells multicellular?
Animals are multicellular heterotrophs that lack cell walls and are generally capable of moving around. Heterotrophs do not make their own food, meaning they must obtain it elsewhere by eating other organisms or by finding dead material to eat.
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How are animals multicellular?
Multicellular organisms form from a single eukaryotic cell, the zygote. Organs and tissues, despite sharing functional responsibilities of the body, are multicellular because they are made up of many cells. Multicellular organisms evolved approximately two billion years after unicellular organisms.
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