
Help your students build real understanding of evolution by natural selection through ninety questions that move from basic recognition to genuine reasoning about living systems.
The set includes questions like "If a species experiences a sudden increase in trait variance, what might this indicate?", "How does genetic drift differ from natural selection in terms of trait frequency changes?", and "What is the significance of a trait being heritable in the context of natural selection?"
Because the three worksheets share the same content in three different formats, you can spread them across the week: one for diagnosis, one for practice, and one for assessment, without repeating a single question.
This set is part of a complete NGSS aligned biology unit. The unit also covers Principles of Natural Selection, Selective Pressures, Fitness and Adaptation, Genetic Variation and Evolution, Artificial and Natural Selection, and Types of Natural Selection, all in the same three worksheet format, so your classroom routine stays familiar while the topic changes.
Suitable for Grade 9-12 biology classes, and for NGSS aligned review at any point in the school year. This set is aligned to NGSS standard HS-LS4-2.



