Evidence for Evolution
Evolution is not just an idea; it is supported by several independent lines of evidence that all point to the same conclusion. Knowing these categories of evidence, and one clear example of each, is exactly what science tests ask for, and it makes the whole topic feel solid rather than abstract. This lesson walks through […]
Natural and Artificial Selection
Populations change over time as some traits become more common and others fade. Sometimes nature does the choosing, and sometimes humans do. Comparing natural selection with artificial selection is a clean way to understand how living things change, and it is a reliable source of test questions. This lesson explains both processes and what they […]
