A plant cell is rectangular, while an animal cell is circular.
Answer:
The pollen grain is creating a tube down the style of the flower. <u>It is necessary as that is how the pollen is able to travel down the style into the ovary where the baby seed is located. This is how the seed is fertilized, and is ready for reproduction.</u>
Answer:
carbon bond is a covalent bond between two carbon atoms.
Explanation: