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Biology 1 Unit 12 Content Quiz

Terms in this set (53)

What is the scientific study of all the interrelationships between organisms and their environment?
Ecology
What is the portion of earth that supports life?
ex: land on earth's surface
Biosphere
What are abiotic factors?
Nonliving factors.
ex: rainfall, temperature, and sunlight
What are biotic factors?
Living factors in an organism's environment. ex: plants
What are the levels of organization smallest to largest?
Organism
Population
Community
Ecosystem
Biome
Biosphere
What is an individual animal, plant, or single-celled life form?
ex: bacteria, venus fly trap, elephant
Organism
What are individual organisms of a single species that share the same geographic location at the same time?
ex: a pod of dolphins, a flock of sheep
Population
What is a group of interacting populations that occupy the same geographic area at the same time?
ex: clownfish and surgeonfish, ferns and oak trees
Community
What is a biological community and all of the abiotic factors that affect it?
ex: coral reef, swamp
Ecosystem
What is a large group of ecosystems that share the same climate and have similar types of communities?
ex: desert, tropical savanna
Biome
What is an area where an organism lives.
ex: a grove of trees?
Habitat
What is the role or position an organism has in its environment?
Niche
ex: Lion's niche is a predator
What is more that one organism uses a resource at the same time?
ex: using the same water source.
Competition
What is the act of one organism pursuing and consuming another organism for food?
ex: cheetah chasing and killing a gazelle
Predation
What are the close relationship that exists when two or more species live together?
Symbiotic relationships
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