_RER: (rough endoplasmic reticulum)
it's role is to carry the ribosomes(subunits)
_mitochondrion: gives energy for the cell for its motility
_golgi body: responsible for maturation of the protein
Ohhh I know this! Number 1 is saturated fats, Number 2 is unsaturated
Answer:
they developed some structures or parts to survive
the terrestrial environment
