Domain. Eukaryota.
Kingdom. Animalia.
Phylum. Chordata.
Class. Mammalia.
Order. Primates.
Family. Homindae.
Genus. Homo.
Species. Sapiens.
Answer:
Four innovations are central nervous system, eyes, bilateral and hermaphrodites.
Explanation:
Innovations found in an ancient flatworm were the presence of central nervous system means head and a brain. The head had eyes which is the first in the animal world. Their body is bilateral means equally divided into two parts. They are also hermaphrodites means having male and female on a single organism which was not present at that time of animals.
Answer:
some signs may include, high fever, coughing, fatigue, muscle aching, and diarrhea.
Ionic compound is the answer!
An undifferentiated cell of a multicellular organism which is capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cell arise by differentiation.
