What is a fast and common way we can observe evolution in our own lifetimes?

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.