Organization of Life on Earth

• An individual living thing composed of many cells - Multicellular Organism (6)
• The smallest particle of an element that retains the properties of that element - Atom (13)
• Two or more population of different species living and interacting in the same area - Community (3)
• A group of similar cells that perform a specific function - Tissue (9)
• The smallest unit of life - Cell (10)
• Very similar, potentially interbreeding organisms - Species (5)
• Part of Earth inhibited by living organism, includes both the living and nonliving organisms - Biosphere (1)
• Particles that make up an atom - Subatomic Particle (14)
• A structure normally composed of several tissue types that form a functional unit - Organ (8)
• A structure within a cell that performs a specific function - Organelle (11)
• Two or more organs working together in the execution of specific bodily function - Organ system (7)
• Members of some species inhabiting one area - Population (4)
• A combination of atoms - Molecule (12)
• A community together with its nonliving surroundings - Ecosystem (2)