The theory suggests that beneficial behaviors are passed on for generations while unbeneficial behaviors are not passed on. genetic drift gene flow optimality adaptation

Most of earth’s fresh water is found in oceans and seas stored in glaciers and ice caps groundwater stored beneath the surface found in lakes, rivers, streams, and reservoirs

What are some possible short and long term medical concerns for crew members on longer space exploration trips

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen