APES December Assessment
Wheat contains about 2.5 kcal per gram and the average US male consumes 2500 kcal per day. how many hectares of wheat are needed to support one average US mail for a year assuming that 30% if his calorie intake is from wheat?
.036 hectares
On the pH scale blank is neutral 3 4 5 6 7
7
Most energy on earth comes from A. The sun B. Volcanoes C. Trees D. Water E. Fire
A. The sun
Natural experiments can be done when a A. Natural event change is an ecosystem B. Volcanic eruption destroys a forest C. Fire sweeps through a prairie D. Tornado uproots a section of a forest E. All of these answers are correct
E. All of these answers are correct
extinctions of species can be the result of A. Natural systems changing B. Introduction of invasive species C. Systems that are not in a steady state D. Human inputs E. All of these answers are correct
E. All of these answers are correct
a phenomenon which has been rigorously tested and to which there are no known exceptions is called a A. Hypothesis B. Induction C. Deduction. D. Theory E. Natural law
E. Natural law
Energy conversion by living things is A. Evident in animals producing food B. Not necessary because animals eat food C. A fundamental component of all environmental systems D. The way electromagnetic radiation is produced E. None of the above
a fundamental component of all environmental systems
inductive reasoning a. is the process of making general statements from specific facts b. is the process of applying a general statement to specific facts c. doesn't require facts d. is the same thing as an observation e. is the as a hypothesis
a. is the process of making general statements from specific facts
A hypothesis is different from a belief because it is a. testable b. proven c.the same as a theory d. sensible e. false
a. testable
The concept of ecological footprint is measured in terms of the amount of a. resources an individual consumes daily b.land area c.resources an individual consumes yearly d.resources an individual consumes over a lifetime e.resources an entire nation consumes yearly
b.land area
The action that can reduce the ecological footprint of people in the highly developed world to levels that are sustainable is a. Eating more fish b. shopping only in stores that use organic cotton c.traveling to the developed world d.using more fertilizer e. none of these actions alone will result in a sustainable level of consumption
e. none of these actions alone will result in a sustainable level of consumption
In a steady state A. Input is greater than output B. Input equals out C. This is some changes over time D. The amount of energy is not increasing E. Both b and d.
input equals output
