Answer:
it's a type of close and long term biological interaction between any two organisms , be it mutualistic , parasitic etc.
The organisms may be of the same or different species.
hope helpful <3
Once pressure occurs which is called compaction, it forms a sedimentary rock. It can be compacted over and over again.
Answer:D. A change to one amino acid in a protein may cause a significant change in phenotype.
Genes are found on DNA, which make(s) up the chromosomes, found in nucleus.
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Its either A or C. thats all i can say though but B and D you can rule out. I hope i helped a little
