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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The digestive system and how to find out the symtoms
Dividing a cell into more than one cell is called splitting.
Yes can you tell the genotype because obviously if you can tell the genotype then there you go
