Answer:
Organism-refers to a living thing that has an organized structure.
Species-is a set of organisms adapted to a particular set of resources
Population-A group of individuals that belong in the same species and live in the same area.
Community-organisms in groups that eat one another and that are eaten by one another.
Ecosystem-a biological community of interacting organisms and their physical environment.
Biome-a large naturally occurring community of flora and fauna occupying a major habitat, forest or tundra.
Biotic Factor-are living or once-living organisms in the ecosystem.
Abiotic Factor- refer to non-living physical and chemical elements in the ecosystem.
Habitat-the natural home or environment of an animal, plant, or other organism.
Niche-a comfortable or suitable position in life or employment.
Explanation:
I searched this from the web and based on that you can write it in your own words. Please understand that I don't have the text book.
