The adult fruit fly above has many different types of cells. Which of the following best explains how these cells have different structures and functions?

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.

Ture or false evidence for evolution includes millions of fossils

What is the main fuel source for the work of the cell