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100
A measurement is defined as...?
The exact quantity people agree to use for comparison.
100
The variable plotted on the horizontal [X axis] is called the...?
Independent Variable
100
The process of gathering information through the senses is called...?
Observation
100
A factor in an experiment that changes from the manipulation of the independent variable is the...?
Dependent variable
100
Which of the following descriptions about the organization of an ecosystem is correct?
Species make up populations, which make up communities.
200
The prefix Kilo- means...?
1,000
200
How many meters are there in 1,865cm? (Hint: 1 meter= 100 cm...)
18.65
200
When designing an experiment, the first step is to...?
State the problem.
200
Studying the effect of one thing or another in order to test a hypothesis is a(n)...?
Experiment.
200
Which ecological inquiry method is he/she using when he/she enters an area periodically to count the population numbers of a certain species?
Observing
300
The prefix Milli- means...?
0.001
300
In a graph showing temperature chane of a material over time, temperature is the...? (Hint: Time is [almost] never on the Y axis...)
Depedent Variable.
300
A rule or principal that describes what happens in nature is a...?
Scientific law.
300
A factor that is manipulated in an experiment to change the dependent variable is the...?
Indepedent Variable
300
Plants are...?
Producers.
400
The correct symbol for the SI unit of temperarure is...?
K Which stands for Kelvin.
400
One benefit of he SI unit system is that it is...?
Based on mulitpules of 10.
400
An explanation of an event that is based on repeated observations and experiments is a...?
Theory
400
The aplicationof scientific knowledge to help people is...?
Technology.
400
What is the original source of almost all the energy in most ecosystems?
Sunlight.
500
The SI unit that is used to measure time is...?
Second
500
A beaker contains 0.32 liters of water. What is the volume of this water in milliliters? (Hint: 1 Liter =
320 Milliliters in 0.32 liters.
500
A standered for comparison that helps ensure the experimental result is caused by the condition being tested is the...?
Control
500
All the members of a particular species that live in one area are called a(n)...?
Population
500
The algea at the begining of the food chain in figure 3-1 are...?
Producers.