Biotic factors may include things like:
-predation
-disease
<span>-competition
</span>-parasitism
<span>-consumption
and -symbiosis
Hope this helps then!! :)
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mutation is the permanent alteration of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elementsit is of two types :- point mutation and frame shift mutation
point mutation - mutation only in a single base
frame shift - in the entire sequence or an entire set
Answer:
The answer is: Clonal selection produces memory cells that are long-lived and can recognize the antigen in the future.
Explanation:
D. Kidney and bladder are the 2 organs that are part of the excretory system.
