The Air Around Us
Layers and Energy
Bacteria
Protists
Fungi
100
This air tends to be more dense.
What is cooler air?
100
Zero degrees on the Celsius temperature scale.
What is the freezing point of water?
100
Bacteria that return basic chemicals to the environment.
What are decomposers?
100
Protists that cannot create their own food.
What are heterotrophs?
100
The fungi that makes bread rise.
What is yeast?
200
Mass divided by volume.
What is the formula for density?
200
Heat transferred between two substances that are in contact with each other.
What is conduction?
200
Bacteria that consume autotrophs and heterotrophs.
What are heterotrophic bacteria?
200
All Algae are these.
What are autotrophs?
200
Fungus growing in association with the roots of a plant.
What is a symbiotic relationship?
300
An instrument used to measure air pressure.
What is a barometer?
300
The layer of the atmosphere that holds most of the ozone.
What is the stratosphere?
300
It results in two genetically identical bacteria cells.
What is binary fission?
300
Animal-like protists.
What are heterotrophs?
300
A symbiotic relationship between a fungus and an algae or bacteria.
What is lichen?
400
Something like air that tends to move toward low pressure.
What is fluid?
400
The layer of the earth's atmosphere where most of the weather occurs.
What is the troposphere?
400
Conjugation results in this.
What is different bacteria?
400
A structure that collects extra water and expels it from a protist.
What is a contractile vacuole?
400
The part of the fungus that produces spores.
What is the fruiting body?
500
Nitrogen oxide reacts with other air pollutants in sunlight to form this.
What are photochemical smog?
500
The outermost layer of the atmosphere.
What is the exosphere?
500
Digesting food, competing for space with disease-causing bacteria, and making vitamins.
What are roles of bacteria in the human body?
500
The only type of algae that is both autotrophic and heterotrophic.
What is euglenoid algae?
500
The bacteria-killing fungi discovered by Fleming in 1928.
What is Penicillium?
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