Which describes a disadvantage of sexual reproduction?
a. inherits traits for better survival
b. has variation in genetic backgrounds
c. takes longer for new individual to develop
d. is genetically identical to parent

C, takes longer for individual to develop

Eukaryotic cells are theorized to have evolved from prokaryotes called the endosymbiotic theory. this explains that the most primitive eukaryotic cell engulfed a prokaryotic cell (by the process of phagocytosis) that is capable of cellular respiration and another prokaryotic cell that is capable of photosynthesis. these prokaryotic cells eventually became organelles and these organelles are the mitochondria and the chloroplast

Iwould say silver and gold