Answer:
Ecosystem - All orca whales around the world.
Species -a group of orca whales living along the Gulf of Alaska.
Organism - a group of orca whales living along the Gulf of Alaska.
Community - all orca whales, fish, and seaweed living in one area.
Population - all orca whales, fish, seaweed, islands, and the Pacific Ocean.
Explanation:
Hope this helps, i'm sorry if it's wrong.