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Living Things and the Environment
Interactions Among Living Things
Energy Flow in ecosystems
Cycles of Matter 1
Metric Prefixes
100
The living factors in an ecosystem.
What are biotic?
100
One species benefits; the other is unharmed.
What is commensalism?
100
The terms used to describe an organism that can produce its own food.
What is 'autotroph'?
100
This substance is taken up by plants during photosynthesis.
What is carbon dioxide (accept CO2)?
100
10^3, or x1000.
What is kilo-.
200
Where an organism 'lives' in its environment.
What is a habitat?
200
The relationship between a tapeworm and its host.
What is parasitism?
200
All of the energy in an ecosystem comes from this source.
What is the sun?
200
This cycle involves the conversion of ammonia into something usable.
What is the nitrogen cycle.
200
10^-3, or divide by 1000.
What is milli-.
300
The term for an organism's ability to withstand a range of abiotic factors.
What is tolerance?
300
Both parties benefit from this type of interaction.
What is mutualism?
300
These consumers eat both plants and animals.
What is a an omnivore?
300
Name this process: 6CO2+ 6H20 + energy --> C6H12O6 + 6O2.
What is photosynthesis.
300
10^2, or x100.
What is hecto-.
400
The sum of the abiotic and biotic factors in an area.
What is an ecosystem.
400
A mutually detrimental interaction between two organisms or species that share a niche.
Competition.
400
The amount of energy lost as you travel to a higher trophic level.
What is 90%?
400
This cycle deals with precipitation, evaporation, and runoff.
What is the Water Cycle.
400
10^-1, or divided by 10.
What is deci-.
500
Daily Double! The term for a factor that affects the population growth of a species.
What is a limiting factor?
500
The general term used to denote interactions between species.
What is symbiosis?
500
Daily Double! This term describes organisms that derive their nutrition from non-living or organic chemical sources.
What are chemoautotrophs?
500
This cycle deals with uplift in rocks and deposition into water.
What is the Phosphorus Cycle.
500
A hard one! 10^-15, or divide by 10^15.
What is femto-.