Explanation:
Meiosis is beneficial as it produces gametes that are genetically different to the parent cell, and when the gametes combine the offspring produced is made from combination of genes from both mother and father. The offspring is genetically unique, there is no other organism on the Earth with the exact same DNA sequences on their chromosomes.
The natural succession of a small farm pond will tend to make the pond more likely to freeze solid in winter time,the nature of things helps them to merge more quickly and adapt to their environment.
The correct answer is cell wall. The cell wall is a tough and flexible layer that surrounds plant cells, as well as some algal and bacterial cells. The cell wall is rigid enough because of its components; cellulose, in which is used for both protection and structure.