Answer: Cell
Explanation:
The cell is the structural and functional unit of life. It is the the most basic level. A life starts from a single cell.
When a male and female gamete(germ cell) fuse together they form zygote. Firstly it is a single cell surviving inside the mother's womb.
Then differentiation takes place and the cell keeps on dividing to form different tissue layers and then organs form which makes a complete baby. Hence, zygote and germ cell are cellular level of organization.
For fermentation to occur, there must be yeast (yeast provides enzymes that are catalysts for the reaction). It is an anaerobic reaction, so it does not require oxygen. Fermentation is usually done in a closed container.
Answer:
B - Dinosaur Skin
Explanation:
Unless the skin is mummified, like that of a Pinacosaurus, the chromatin in the bones will be completely deteriorated.
They each play a vital role in the world we know.