A branch point on a phylogenetic trees is where scientists that study systematics place

The answer is b. hope this !

I’m not exactly sure what your trying to ask, but if it’s how an organelle is similar to a body system or a part a nucleus is like a in function. but i don’t fully understand what you’re trying to ask

If you get a map and put the countries a states all together it forms all one piece you can also tell because of the earth quakes