Ohio State University
General Plant Biology: Plant Evolution
This is a solid review of basic principles of population genetics with an emphasis on plants. Use this to complement your units on evolution and plant biology. Take the quiz to check your understanding.
Geography 4 kids
Geography4 kids.com: Groups Working as One: Population
Some biologists study the population of organisms belonging to the same species. Discover the factors that limit populations and what affects the health of a population.