Answer:
2, phenotype
traits are determined using genetics
The cytoplasm is divided by cytokinesis
Exo means outside
So planets outside our solar system
Fossils only form if certain qualifications are met, and some organisms cannot meet them, so they just cease to exist, not a single sign of them. This could happen if they were organisms that decayed completely. Fossilization can include freezing, drying, and encasement, usually in tar or resin.
