Answer:
1. The process in which organisms find and colonize a near lifeless area.
2. They are different from each other because secondary supports life, as primary does not.
3. Pioneer species is a hardly classified species which establish themselves in a disrupted ecosystem and trigger the process of ecological succession.
4. Biotic factors support life and the aspects. Abiotic factors involve external life. They interact with each other when the abiotic provide for the biotic.
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Basically, the cell wouldn't be able to "breathe," as the mitochondria is where the respiratory functions of the cell happens. No energy would be produced, and then the cell would stop moving and die.
