Not sure what the choices are but a biotic factor is anything living.
The answer is it's combination of alleles for a specific one.
I think that Sensitivity would be one
Hello!
I believe a woman can be described pregnant after about 13 weeks or so, because this is when the unpleasant effects of pregnancy start to lessen, and the mother starts to get used to the hormonal changes.
I hope you found this helpful! :)
