APES Friedland Book MC Ch1
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Which of the following events has increased the impact of humans on the environment?
I) Advances in technology; II) Reduced human population growth; III) Use of tools for hunting
I and II only
II and III only
I and III only
I, II, and III
As described in chapter 1, environmental indicators
always tell us what is causing an environmental change
can be used to analyze the health of natural systems
are useful only when studying large-scale changes
do not provide information regarding sustainability
take into account only the living components of ecosystems
Which statement regarding a global environmental indicator is NOT correct?
Concentrations of atmospheric carbon dioxide have been rising quite steadily since the Industrial Revolution
World grain production has increased fairly since 1950, but worldwide prodution of grain per capita has decreased dramatically over the same period
For the past 130 years, average global surface temperatures have shown an overall increase that seems likely to continue
World population is expected to be between 8.1 billion and 9.6 billion by 2050
Some natural resources are available in finite amounts and are consumed during a one-time use, whereas other finite resources can be used multiple times through recycling
Figure 1.8 (pg 10) shows atmospheric carbon dioxide concentrations over time. The measured concentration of CO2 in the atmosphere is an example of
a sample of air from over the Antarctic
an environmental indicator
calculating an ecological footprint
how to study seasonal variation in Earth's temperatures
In science, which of the following is the most certain?
All of the following would be exclusively caused by anthropogenic activities EXCEPT
combustion of fossil fuels
overuse of resources such as uranium
forest clearing for crops
air pollution from burning oil
Use Figure 1.6 (pg 9) to calculate the approximate percentage change in world grain production per person between 1950 and 2000.
The populations of some endangered animal species have stabilized or increased in numbers after human intervention. An example of a species that is still endangered and needs further assistance to recover is the
Fig 1: Use the following experimental scenario for the next 2 questions.
Before the researchers began the experiment, they formulated a null hypothesis. The best null hypothesis for the experiment would be that caffeine
has no observable effect on the pulse rate of an individual
will increase the pulse rates of all test subjects
will decrease the pulse rates of all test subjects
has no observable effects on the pulse rates of 18-year-old males
from a soda will have a greater effect on pulse rates than caffeine from coffee
After analyzing the results of the experiment, the most appropriate conclusion would be that caffeine
increased the pulse rates of the 18-year-old males tested
decreased the pulse rates of the 18-year-old males tested
will increase the pulse rate of any individual that is tested
increases the pulse rate and is safe to consume
makes drinks better than decaffeinated beverages
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