Question | Answer | Question | Answer | Question | Answer |
population | all of the same organisms in an area | Respiration | the exchange of oxygen and carbon dioxide between living cells and their environment | Primary Succesion | when organisms inhabit an area without life or soil |
community | all of the populations in an area | Energy Pyramid | a triangular diagram that shows an ecosystem's loss of energy, which results as energy passes through the ecosystem's food chain | Secondary Succesion | takes place after an existing community suffers a major disruption |
Biosphere | the part of Earth where life exists | Mutualism | a relationship between two species in which both species benefit | | |
Food Chain | energy transfer through various stages as a result of the feeding patterns of a series of organisms | Decomposition | the breakdown of substances into simpler molecular substances | | |
Nitrogen Fixation | when nitrogen is "fixed" in order to be used | Combustion | the burning of a substance | | |
Food Web | a diagram that shows the feeding relationships between organisms in an ecosystem | Photosynthesis | the process by which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to make food | | |
Ecology | the study of the interactions of living organisms with one another and with their environment | Carrying Capacity | the largest population that an environment can support | | |
Biotic | living factors in the environment | Symbiosis | a relationship in which two different organisms live in close association with each other | | |
Abiotic | nonliving part of the environment, including water, rocks, light, and temperature | Commensialism | a relationship between two organisms in which one organism benefits and the other is unaffected | | |
Ecosystem | community of organisms and their abiotic environment | Parasitism | a relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed | | |