Question

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

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.

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 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.

Evidence: mitochondria and chloroplasts have their own circular DNA, bacterial-type ribosomes, double membranes, and divide by binary fission — consistent with former free-living prokaryotes.