What are some thinks we won't be able to do if our bones weren't connected?

How did the miller-urey experiment impact the way scientists think about the origins of life? use what you know about the miller-urey experiments to discuss the factors needed for life to arise, and speculate on whether life could arise on another planet.

The negative impacts of nonnative species generally outweigh the positive impacts

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities