Two individual flatworms must transfer sperm to each other
Oxygen, liquid water, and life is on planet earth
The dominant ones. Whatever has been gained through evolution in adaptation to their specific environment.
Answer:
Organic compounds make up the cells and other structures of organisms and carry out life processes. Carbon is the main element in organic compounds, so carbon is essential to life on Earth. Without carbon, life as we know it could not exist.
Explanation:
