Is salmon identification a viable way to monitor salmon populations in streams? Objective Students will be able to identify the difference between a spawning and non-spawning salmon. Students will be able to distinguish between a male and female salmon. Students will be able to correctly record the specific species of salmon. Students will be able to explain the ideas of common ancestry and biological evolution. Background This lesson is a supplemental activity for students who are studying and learning how to use observational skills. It is also a discussion in evolution and genetic variation Duration: 90 Minutes Additional Standards: CCSS 6-8.RST.9. CCSS 6-8.WHST.1B. NGSS: HS-LS4-1. Essential Question Is salmon identification a viable way to monitor salmon populations in streams? Objective Students will be able to identify the difference between a spawning and non-spawning salmon. Students will b.