Domain VI covers Diversity of Life (8% of the TExES Science 7-12 (236) exam) across all 4 official competencies: taxonomic systems, living systems within systems, homeostasis, and the relationship between biology and behavior.

Learn how to tell homologous from analogous traits, understand negative vs. positive feedback in the body, and see how innate and learned behaviors connect back to natural selection — all with the same plain-English, analogy-first approach used throughout the series.

What's inside:

• All 4 official competencies (029–032)

• Plain-English breakdowns and analogies

• Common Mistake to Avoid call-outs

• Practice questions with full answer rationale