The answer is B The crust provides raw materials necessary for life.
Transcription to mRNA, then mRNA carry the info out the pores on the nucleus, to the cytoplasm starting translation
Phospholipids makes up majority of the cell membrane. Transmembrane proteins comes in second place.
If a species is said to be extinct, then that species is reduced to zero. There are none living in existence. The affects to other organisms of its extinction would depend on their value to the ecosystem. Regardless, extinction completely stops evolution of the species extinct.