Which early empires observed and noted human and animal behaviors

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 element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false