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Biosphere Part of Earth that supports life
Carrying Capacity Largest number of individuals in one species that an ecosystem can support over time
Commensalism Symbiotic relationship in which one organism benefits and the other is not affected
Community All the populations in an ecosystem
Consumer Organisms that cannot make their own energy-rich molecules
Ecology Study of interactions that occur among organisms and their environment
Ecosystem All the organisms living in an area and the nonliving features of their environment
Habitat Place in which and organism lives
Limiting Factor Anything that restricts the number of individuals in a population
Mutualism Symbiotic relationship in which both species benefit
Niche An organism's habitat and food, how it avoids danger, finds a mate, and cares for young
Parasitism Symbiotic relationship in which one organism benefits but the other is harmed
Population All the organisms in an ecosystem that belong to the same species
Producer organisms that use an outside energy source, such as the Sun, to make energy-rich molecules
Symbiosis Any close relationship between species
Predator Consumers that capture and eat other consumers
Prey A consumer captured and eaten by another consumer
Competition Two or more organisms seek the same resources at the same time
Chemosynthesis Production of energy-rich nutrient molecules from chemicals
Food Web Shows all the possible feeding relationships among the organisms in a community
Energy Pyramid Shows the amount of energy available at each feeding level in an ecosystem
Food Chain A simple way of showing how matter and energy pass from one organism to another
Created by: Abigail Garrett