How is myosin able to walk along muscle fibers

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.

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

In which state was more than 100 billion tons of coal mined in 2005?