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BJU Life Science 16

Bob Jones Life Science - Chapter 16

ecology The study of the relationships between organisms and their physical environments
ecosystem A limited area in which living and nonliving thing interact
abiotic environment The nonliving parts of an ecosystem
biotic community All the living organisms in an ecosystem
habitat The place where an organism lives
niche The role or function of an organism in its environment
water cycle A continuous movement of water from the atmosphere to the earth and back to the atmosphere
evaportaion The change of a liquid to a vapor, such as the movement of water from the earth into the atmosphere
precipitation The movement of water from the atmosphere to the ground
succession A predictable series of changes that occur in biotic communities as they progress toward a climax community
population All the members of one species living in a particular ecosystem
producer An organism that manufactures its own food (energy source), such as plants and algae
consumer An organism that obtains food by eating other organisms
carbon cycle The exchange of carbon between organisms carrying on photosynthesis and those carrying on cellular respiration; functions in relationship with the oxygen cycle
oxygen cycle The exchange of oxygen between organisms carrying on photosynthesis and those carrying on cellular respiration; functions in relationship with the carbon cycle
nitrogen cycle The process by which various compounds of nitrogen are used and reused as they move through biotic and abiotic communities
circadian rhythm A change that occurs on a 24 hour cycle; a daily rhythm
nocturnal Active at night
diurnal Active during the day
seasonal rhythm A change that occurs with the change of season in an ecosystem
Created by: marchscience
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