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:
Your answer is most likely D) ss.
Purebred means not bred with anything else, which would mean that the only genes available would be ss.
B
Explanation
Sodium Fluoride
Weather – the condition of the outside air or atmosphere at a particular time and place.
