The rate of land conversion for agriculture is especially high in the tropical regions. what is a likely effect of this on the local ecosystems?

Loss of natural habitat for a variety of species 

RIBOSOME: Do you want an example that shows the function of the ribosome. Then you can say a car factory. Car instructions go in (mRNA), car parts put together (amino acid chain) then completed cars leave (proteins). That is the best example that I can come up with. If that is what you are looking for.