Why are unsaturated fatty acids better than saturated fats for letting substances in and out of the cell

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems

Were you able to observe the nucleolus in any of the cells if so which ones

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.