Pls me need the answer today 50points ! .☺♥when would be a good time in san francisco to collect seashells? explain your answer.

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.

What is the most appropriate method of gaining weight (muscle mass)

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )