Answer:
1st one
Explanation:
DNA replace the old cells
Answer:
it is b because rest are biotic and also cause it is the only biotic thing available
Explanation:
I know it is right
Sorry but I do not understand your question
Most mutations have no effect on organisms. Organisms all have large amounts of genetic code, most of which has no effect. As a result, mutation of this code is rarely meaningful.
Answer:
a
Explanation:
this is because it is sharing in the food that is meant for the organism
