Ecosystem Glossary
Organism Any living thing
Individual One single organism Example: Rabbit
Population All the individuals of one kind (one species) in a specified area at one time Example: Rabbits
Community All interacting populations in a specified area Example: bees, ladybugs and flowers
Ecosystem A system of interacting organisms and nonliving factors in a specified area Examples: Forest and pond
Biotic Living organisms and products of organisms Examples: tree, horse
Abiotic A nonliving thing Examples: rock, sunlight
Population density The number of individuals in an area of a specific size. see illustration on page 18 in textbook Population density = 10 flamingos = 1.25 flamingos per square meter 8 square meters
Limiting factors An environmental factor that causes a population to decrease. Some examples are food, water and space.
Carrying capacity The largest population that an area can support.