The species Homo sapiens had migrated out of Africa and colonized Europe, Asia, and Australia by about ______ years ago.Multiple choice question.40,00014,00010,000250,000

What region was last to be colonized by Homo sapiens about 20,000 years ago?Multiple choice question.AustraliaAfricaAsiaEuropethe Americas

Homo sapiens first appeared approximatelyChoose 1 answer:Choose 1 answer:(Choice A)   50,000 years agoA50,000 years ago(Choice B)   200,000 years agoB200,000 years ago(Choice C)   800,000 years agoC800,000 years ago

The first animals arose on Earth approximately ______ years ago.Multiple choice question.570 million900 million140 million750 million

Current evidence supports which of the following models for Homo sapiens evolution and migratory patterns?Group of answer choicesVariation MigrationOut of AfricaMultiregional ModelPangean Path

The number of currently described species on the planet is about __________.Question 8Select one:a.17,000b.150,000c.1.5 milliond.10 million