Question

is when all the species of an organism die.
exploitation
endangerment
extinction

Explanation:

• Exploitation means using something (like a resource or an organism) in a way that might be harmful or over - using it, but it doesn't imply the complete disappearance of a species.
• Endangerment means a species is at risk of becoming extinct in the near future, but there are still some members of the species alive.
• Extinction is defined as the situation where all the individuals of a species have died out.

Answer:

extinction