Scientists believe that ancient ancestors of all animals were single celled eukaryotes that sometimes grew in colonies. The correct option among all the options that are given in the question is the second option or option "B".
The Cambrian Explosion resulted in the evolution of the first representatives of most animal phyla. The correct option among all the options that are given in the question is option "B".
D. To see the outside world
Since plants can asexually reproduce you can take a branch from it and plant it (or you can get some seeds from the plant like a normal person would)
(hope this helps :3)
by def'n, superposition means as old rock settles, younger rock will form on top of it. so in a rock formation, the oldest rock is the one at the bottom.
ans is superposition.
