Famer fran uses pesticide in her sugar cane field. it is successful for five years, but after year six the crops begin to die off. what could have happened?

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 average speed of a car that traveled 300.0 miles in 5.5 hours

What is the difference between a meteoroid and a meteor?