Biology
STAAR™ Achievement Series for Science © 2013 Region 4 Education Service Center
Notes
Read and select facilitation questions as appropriate to meet your students’ needs.
Phase Instructional Grouping Materials
Engage
Student pairs Paper or science notebook
Explore
Student pairs
Explore Part 1: Gag Gene Amino Acid
Comparison Chart
Explore Part 2: Primate and Virus
Distribution Map
Explain
Individual
Explain: Evolution—Molecular
Homology and Biogeography
Explain
Small groups
Teacher-led student group
Explain: Evolution—Molecular
Homology and Biogeography
Elaborate
Student pairs
Elaborate: Who Is Related?
Elaborate: SIV and HIV Pol Gene Amino
Acid Sequence Chart
Evaluate
Individual
Evaluate: Evolution—Molecular and
Biogeographical Evidence
