explain ONE feedback mechanism between the biosphere and another of Earth’s spheres (geosphere, hydrosphere, atmosphere) during the glacial period.

Differentiate renewable and nonrenewable resources

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?

Darwin’s hypothesis about how life changes over time is now called?