React to external changes in its environment. 2. The Hierarchy of Structure Organisms are organized in a "ladder" of complexity.
Every organism is a product of . They possess Adaptations —inherited traits that increase their chances of survival. The Organism
An organism is any individual living system, such as an animal, plant, fungus, or bacterium. To be considered "alive," an organism generally must: React to external changes in its environment
The specific role an organism plays (e.g., a bee as a pollinator). such as an animal
Create new individual organisms (sexually or asexually).
The basic unit. Unicellular organisms (like yeast) are just one cell. Multicellular organisms (like humans) have trillions.
Single-celled, no nucleus (Prokaryotes). Found everywhere from soil to your gut.