Question

“Endo” means “internal” or “within.” “Symbiosis” means “a mutually beneficial relationship.” How do modern cells demonstrate endosymbiosis?(1 point)
Responses

Organelles are inside cells and provide cells with energy and proteins, while the cellular membrane shelters the organelles.
Organelles are inside cells and provide cells with energy and proteins, while the cellular membrane shelters the organelles.

Cells are inside the body and work together to function as a whole organism.
Cells are inside the body and work together to function as a whole organism.

Cells benefit from one another by providing different functions and are found within organ systems of the body.
Cells benefit from one another by providing different functions and are found within organ systems of the body.

An amoeba-like organism engulfed prokaryotes, and they eventually became cells, one inside the other.

Answer 1

An amoeba-like organism engulfed prokaryotes, and they eventually became cells, one inside the other.

Explanation: Mitochondria and chloroplasts in modern eukaryotic cells originated from free-living bacteria that were engulfed and retained; they have their own DNA, double membranes, and reproduce like bacteria, supporting endosymbiosis.