Ecosystems And Sci Inquiry Question Preview (ID: 38458)


Scientific Inquiry/measurement/safety; Populations And Ecosystems. TEACHERS: click here for quick copy question ID numbers.

Which is an example of using ethics in experiments?
a) considering the environmental impacts of an experiment
b) preparing the experiment so that the data are useful
c) making sure samples are properly prepared
d) interpreting the data from an experiment

What units would you use to measure the volume of a small cardboard box?
a) cubic centimeters
b) grams
c) degrees
d) liters

If you count 20 beetles in a garden measuring 5 square meters, the population density of the beetles is
a) 4 beetles per square meter.
b) 5 beetles per square meter.
c) 20 beetles per square meter.
d) 100 beetles per square meter.

All the species in an area interacting with each other and the environment is called a(n)
a) ecosystem
b) population
c) community
d) predator

Population density is defined as
a) the number of individuals of a population in a specific area.
b) an approximation of a number, based on reasonable assumptions.
c) the number of individuals moving into a population.
d) the smallest level of ecological organization.

Mutualism, commensalism, and parasitism are the three types of
a) symbiotic relationships.
b) predation.
c) competition.
d) prey adaptations

The contamination of Earth’s land, water, or air is called
a) pollution.
b) a nonrenewable resource.
c) a renewable resource.
d) extinction.

The closeness of a measurement to its true value is its
a) accuracy
b) precision
c) significant figures
d) estimate

A line graph shows
a) how the responding (dependent) variable changes in response to the manipulated (independent) variable.
b) changes in the responding variable only.
c) changes in the manipulated variable only.
d) how the manipulated variable changes on its own.

A qualitative observation deals with description, whereas a quantitative observation deals with measurement.
a) true
b) false
c)
d)

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