Answer:
if sex cells were identical, there won't be genetics variations and we will just all be identical to our parents. genetic variation allows us to better adapt and survive
They store energy for the body cells with the difference that carbohydrates give the cells short-term energy while lipids give them long-term energy, meaning it takes more time for that energy to be lost
Carbon
Carbon is a part of rocks and fossil fuels like oil, coal, and natural gas etc...
Soil, Temperature, and water would be practically the 3 biomes or the aquatic ecosystems. They are both natural and enables you to live successfully. So as for the organism that live there, like plants, the sun supports the plants, also water, and also the soil from the ground. Therefore, those would be the 3.
1:b organelle and 2 is a community
