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.
Active transport requires energy passive transport does not
Answer:
mark as brainiest please
Explanation:
Agricultural Activities
mining
urbanisation
illegal longing
forest fires
Natural causes as hurricanes, fires, parasites and floods.
