So planarians' regenerative ability are powerful cells called pluripotent stem cells, which make up one-fifth of their bodies and can grow into every new body part. I hope this helped if you need more info about this let me know
your answer is A because a geometric progression is increased by a factor of 3, therefore 4x3=12 and 12x3=36.
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Answer:
I'm guessing because there is a more likely change that bacteria will infect the wound because of the bacteria in the water
Normal sex cells will have 23 chromosomes
Stressor due it comes from an external condition or event.