Hi there!
By both unity and diversity in life, it means that animals and plants (and ecosystems) can be very different from each other but they can also have very similar characteristics. They can work together in harmony but become predator and prey at the same time.
Hope this helps!
answer is the first1 off spring to parants
<span>The difference is where the material came from. Spoils come from overburden and is discarded as waste, whereas, tailings come from left over dredging of steam beds that are discarded as waste as well. </span>
I believe that 5 is the best choice out of the answers given. Hope this helps and please enjoy Brainly! -ZeusROX