B. Organelles.
Prokaryotes (Bacteria etc.) usually have a cell wall, cell membrane, nucleoid, ribosome and a plasmid; unlike eukaryotes (Human cells) which have golgi apparatuses, Mitochondrias..etc
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Answer:
A question is never clear
Answer: genetic variation
Object permanence is the developmental milestone that must be reached before an infant experiences separation anxiety. It is used to describe the ability of a child to know that objects continue to exist despite the fact that they can no longer be perceived that is , seen or heard, touched, smelled, or sensed in any way. This milestone is developed through touching and handling objects by the infants.
