I think the answer is B, because only plant cells contain a cell wall, while the other answers contain an organelle that can be found in multiple cell types.
The population would decrease because the food chain has been disrupted at the bottom
Asexual reproduction is an advantage because they don't need to depend on contacting a suitable mate, or expand energy producing gametes and attractions, in order to spread .
sexual reproduction is an advantage because it enables the exchange of genetic information and produces variety in the offspring that makes them more resilient and capable of adapting to changes in their environment .
