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.
The answer is c because the precession of the ecliptic was component of a milankovitch cycle and is related to periodic ice ages through out history

Vacuoles store water, food, and waste. The endoplasmic reticulum (ER) is a series of tunnels throughout the cytoplasm. They transport proteins from one part of the cell to another. Ribosomes are the protein factories of the cell.
<h3>Hope it helps uh...</h3>
Hello,
These awesome features that allow to taste variety of things is called taste bud, taste buds are special features that allow you to taste different things.
For example, if you eat pepper you taste spiciness.
Thanks for using brainly.