d, planarians avoid light
Answer:
Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement
Kinda confused by the question but Answer C sounds right.
Hope I’m not wrong! :)
It may be reproduction but i doubt that is an answer.
They are called even-aged
hope this helped :)