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".
Answer:
OINKITY OINK FOR BIG BRAINILEST REEEEEEE
lol.
Explanation:
IM NOT A PIG YOU IDIOT
A genome is the complete set of a organisms genes.
Genomics is a zone inside of hereditary qualities that concerns the sequencing and investigation of a life form's genome.
So it has to be D. The study of the genomes of organisms
