Found 1 resource for the concept: Life has been on Earth a long time
Grade(s): K-2 3-5 6-8 9-12 13-16 Topics: Any topicAdaptationArtificial SelectionClassification/PhylogeneticsEvidence for EvolutionGenetic VariationGeologic TimeHistory of LifeNatural SelectionNature of ScienceRelevanceSpeciation
Teaching resource database
Dealing with objections to evolution
Alignment with science standards
Read how others have recognized the Understanding Evolution website.