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Studying Living Organisms: Estimation of Population Growth by Counting Offspring: Seed Multiplication This simple activity allows students to discover or reason through a portion of Darwin's theory of natural selection. Students use seeds from common fruits (e.g. apple seeds) to hypothesize/calculate the reproductive rate of a population, realize that such large populations do not exist, and conclude that organisms face a constant struggle to survive.

Audience:  13-16 Source:  Access Excellence Resource type:  Classroom activity