Celery stalks that are immersed in fresh water for several hours become stiff and hard. :333333
Medicine that makes the immune system less effective.
Answer:
C
Explanation:
Each daughter cell is haploid, because it has half the number of chromosomes as the original parent cell.
Answer:
To a certain extent, population numbers are self-regulating because deaths increase when a population exceeds its carrying capacity. Disease, competition, predator-prey interaction, resource use and the number of populations in an ecosystem all affect carrying capacity.