Answer:
B
Explanation:
Mutualism describes the ecological interaction between two or more species where each species has a net benefit. Mutualism is thought to be the most common type of ecological interaction, and it is often dominant in most communities worldwide.
From my research,the answer is there is no most important parts that form in a fetus. While a child is in their mothers womb every moment that fetus is growing and forming into a soon to be born baby is important .
Gametes are sex cells. The reproductive system.
It is the basic unit of energy for all functions of the cell without ATP the ions wouldn't be able to transport across the cell membrane.
I hope this helps!
