AI Tutor

lesson

Natural Selection and Differential Reproductive Success

Classification, Phylogeny, and Evolutionary Mechanisms

8th Grade·Science·Open Global Science

Updated 1 month ago · 2 views

Model how environmental selective pressures alter allele frequencies through differential survival and reproductive fitness.

Premium Lesson

Upgrade to unlock this lesson, practice questions, and your personal tutor.

This lesson is part of a track

Public learning track

Classification, Phylogeny, and Evolutionary Mechanisms

8th Grade · Science · Open Global Science

5 lessons

Goal

Classify organisms using taxonomic keys, evaluate five/six-kingdom systems, and model natural and artificial selection over geological time.

5 lessons

0 of 5 done

Taxonomic Hierarchies and Dichotomous Classification KeysUp next
Kingdom Characteristics and Domain Classification CriteriaNot started yet
Natural Selection and Differential Reproductive SuccessYou are here
Artificial Selection and Selective Breeding PracticesNot started yet
Fossil Stratigraphy and Evolutionary Adaptations Over Deep TimeNot started yet

View full track

Learning standards covered

OGS.9.LS.6Open Global Science Standards 2026™ · 8th Grade

Classify organisms using taxonomic hierarchies and kingdom characteristics, evaluate biological classification criteria, and investigate how natural and artificial selection drive evolutionary change and adaptations across geological eras.