Explain why Mercury's surface temperature varies so much from day to night. plz over 40 words

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?

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.

When a doggo starts to pace around in the same line for a hand full of days. what would that mean?