False. Asexual reproduction happens through mitosis only and produces offspring genetically identical to the parents.
Convergent evolution in my understanding is the independent evolution of similar features in species of different lineages.
Weathering breaks down and loosens the surface minerals of rock so they can be transported away by agents of erosion such as water, wind and ice. There are two types of weathering: mechanical and chemical.
No new substance is produced.
Either amino acids or genotypes.