Most rna is single stranded, where dna is double stranded. true or false

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Construct at least two possible hypotheses for the student’s experiment.

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