Lab Safety
Experimental Design
Natural Selection
Ecology
Misc.
100
What are two things Jarvis is doing wrong?
Must have two of the following and one must be about glass:
Not using glass-safe glass
Not using glass disposal
No goggles
No apron
100
Which variable is the variable you measure or count?
Dependent variable
100
What does the term fitness mean?
Ability to survive and reproduce in the environment
100
Which type of relationship is it when one organism benefits and the other is harmed?
Parasitism
100
Which is a rock – biotic or abiotic?
Abiotic
200
What is Mac doing wrong? 
Pointing the test tube at the other student while heating
200
What is the variable you manipulate or change to test?
Independent variable
200
What determines if a trait is favorable or advantageous?
Environment
200
The unit of measure for energy
kcals or kilocalories
200
What is the purpose of a food web?
To show energy transfer
300
Which technique should Rick be using?
Wafting
300
Parts of an experiment that remain unchanged to not affect the experiment outcome?
Controlled variables
300
What could happen to a population if an environmental change is very sudden?
Extinction
300
The unit of measure for biomass.
kg or kilograms
300
What is Natural selection a mechanism for?
Evolution
400
True or False and why; Return all unused chemicals to their original containers.
False due to contamination
400
Which variable is graphed on the Y axis?
Dependent variable
400
What does behavioral, geographic, or temporal isolation of a population lead to?
Speciation
400
Draw an ecological pyramid with labels included.
400
What is the difference between a dependent and independent variable?
Dep. : variable that is measured
Ind. : variable that is changed or manipulated
500
You were heating a substance in a glass container and now want to move it. What method do you use to see if the glass is hot?
Put the back of your hand near the glass without touching it.
500
Why is it important to test only one variable in an experiment trial?
Testing more than one variable at a time will cause you to not know which variable had an effect.
500
Explain why a trait variation would become more common in a population.
If it helps the species survive and reproduce
500
If your producer has 29700 kg of biomass, fill in the rest of the levels on an ecological pyramid.
Quaternary: 2.97 kg
Tertiary: 29.7 kg
Secondary: 297 kg
Primary: 2970 kg
Producer: 29700 kg
500
What do you think limiting factors are?
Things that limit a population's growth