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Ecosystems And Sci Inquiry
Test Description: Scientific inquiry/measurement/safety; populations and ecosystems
Instructions: Answer all questions to get your test result.
1) Which is an example of using ethics in experiments?
A
interpreting the data from an experiment
B
considering the environmental impacts of an experiment
C
making sure samples are properly prepared
D
preparing the experiment so that the data are useful
2) What units would you use to measure the volume of a small cardboard box?
A
cubic centimeters
B
grams
C
liters
D
degrees
3) If you count 20 beetles in a garden measuring 5 square meters, the population density of the beetles is
A
20 beetles per square meter.
B
5 beetles per square meter.
C
4 beetles per square meter.
D
100 beetles per square meter.
4) All the species in an area interacting with each other and the environment is called a(n)
A
community
B
ecosystem
C
predator
D
population
5) Population density is defined as
A
an approximation of a number, based on reasonable assumptions.
B
the number of individuals moving into a population.
C
the number of individuals of a population in a specific area.
D
the smallest level of ecological organization.
6) Mutualism, commensalism, and parasitism are the three types of
A
competition.
B
prey adaptations
C
predation.
D
symbiotic relationships.
7) The contamination of Earth’s land, water, or air is called
A
extinction.
B
pollution.
C
a renewable resource.
D
a nonrenewable resource.
8) The closeness of a measurement to its true value is its
A
estimate
B
accuracy
C
significant figures
D
precision
9) A line graph shows
A
how the manipulated variable changes on its own.
B
how the responding (dependent) variable changes in response to the manipulated (independent) variable.
C
changes in the responding variable only.
D
changes in the manipulated variable only.
10) A qualitative observation deals with description, whereas a quantitative observation deals with measurement.
A
true
B
false
*select an answer for all questions
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