The category of organisms that are single-celled and lack a nucleus.
What are prokaryotes.
100
The struggle between individuals of the same or different species for food, space, light, etc.
What is competition?
100
If I needed a semiconductor, where (in which class of elements) would I find one?
What are metalloids?
100
Identify 3 different water quality indicators.
What are pH, turbidity, nitrates, bioindicators, dissolved oxygen, temperature?
100
A trait that helps an organism survive in a particular environment.
What is an adaptation.
200
A tiny, nonliving particle that invades and then reproduces inside a living cell.
What is a virus.
200
The 3 categories of organisms required in a healthy ecosystem are:
What are producers, consumers, and decomposers?
200
Tend to lose electrons when reacting with other elements, are ductile, maleable, shiny, and good conductors.
What are metals?
200
Most of the world's fresh water is found where?
What is ice or frozen?
200
Gap in the geologic record that is due to erosion or periods without any deposition.
What is an unconformity?
300
The process by which cells obtain energy?
What is respiration?
300
A symbiotic relationship in which one organism benefits and the other is harmed.
What is parasitism?
300
The ability to dissolve in another substance. Is this a physical or chemical property?
What is solubility? It is a physical property.
300
a measure of the clarity of the water
What is turbidity?
300
A source of energy that can be replaced as it is used or than cannot be used up. Give 3 examples.
What is renewable energy?
Hydropower, wind, geothermal, biomass.
400
If you have strep throat, a doctor might prescribe this to help cure you.
What is an antibiotic?
400
A food web shows the transfer of energy among organisms in an ecosystem. As you move up the food web, the amount of available energy increases or decreases?
What is decreases?
400
A solid that is produced as a result of a chemical reaction in solution.
What is a precipitate?
400
The area drained by a river and its tributaries.
What is a river basin?
400
The name of the organism that carries pathogens from one organism to another.
What is a vector?
500
What process is represented by this formula and WHAT is missing?
6H20 + 6CO2 (arrow) C6H12O6 + 6O2
What is photosynthesis?
500
Abiotic versus biotic.
What are nonliving versus living factors in an ecosystem?
500
Elements and compounds are both ________________ because each has the same chemical composition and cannot be separated into its parts by physical means.
What is are pure substances?
500
The movement of deep, cold, and nutrient-rich water to the surface.
What is upwelling?
500
Helps scientists understand past climates and how atmospheric conditions have changed over time.