At this embryonic stage, tiny genetic differences, changes that might only affect one in a billion traits, make the difference between a hatchling that survives and one that's chomped, stepped on, or even starves to death.
Never in its wildest imagination would it have thought that that Camarasaurus would shift its center of gravity, free those giant front feet, and crush that Allosaurus like it was a bug.
What we have to do because we don't want the weed is we have to " pull out the weeds" . So, if this is my rose garden, and this is a dandelion, I pull it out, and I stomp it and kill it.
I wanted to be among people, with whom I could converse upon even terms, and walk about the streets and fields without being afraid of being trod to death like a frog or a young puppy.
" Ah, " said the young man, " if ever she succeeds anywhere else, I should like to see her come back here, and trample on all those good-for-nothing creatures" !