8 terms

Earth Science 13-4 Cenozoic Era

means recent life - age of mammals
adaptations that helped mammals survive
warm-blooded, efficient hears & lungs, insulating body hair, specialized teeth
Tertiary Period
mountain building, climate change, mammals became widespread,
Quaternary period
humans developed advance & retreat of continental glaciers
Milankovitch cycles
Changes in the shape earth's orbit and tilt that cause glacial periods and interglacial periods.
large mammals that later became extinct
Mastadons, Mammoths, ground sloths, saber toothed cats, giant beavers, bison, wolves, bears
Homo sapiens
modern humans evolved over 100,000 years ago in Africa
land bridge
may have helped humans migrate from Asia to N America about 14,000 years ago