What are common hazards in risk assesment?

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.

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided