population up, resources down
for questions 5–10, write true if the statement is true. if the statement is false, replace the underlined word to make the statement true. write your changes on the line.
5 nature makes natural resources at similar speeds.
6 fruit is an example of a renewable resource.
7 for most of human history, population has been high and relatively stable.
8 the industrial revolution marked a shift from a rural society to an urban society powered by renewable resources.
9 our ecological footprint is affected by the number of people on earth and how much we consume.
10 the tragedy of the commons refers to the overuse of unregulated resources.
11 in what way is living on earth similar to living on an island?
12 why are sunlight and oil on opposite sides of the renewability continuum?
13 what could cause a renewable natural resource to become a nonrenewable resource?
14 how can a nonliving thing have an ecological footprint?
15 what is one way the tragedy of the commons could be avoided?

Question

Accepted Answer

### Question 5
# Brief Explanations:
Natural resources are formed at different speeds (e.g., coal takes millions of years, while plants regrow quickly). So "similar" is wrong; replace with "different".
# Answer:
False, replace "similar" with "different"

### Question 6
# Brief Explanations:
Fruit is from plants that can regrow, so it's a renewable resource. The statement is true.
# Answer:
True

### Question 7
# Brief Explanations:
For most of human history, population was low and stable (before industrialization). So "high" is wrong; replace with "low".
# Answer:
False, replace "high" with "low"

### Question 8
# Brief Explanations:
The Industrial Revolution used non - renewable resources like coal, not renewable. So "renewable" is wrong; replace with "non - renewable".
# Answer:
False, replace "renewable" with "non - renewable"

### Question 9
# Brief Explanations:
Ecological footprint depends on population size and consumption levels (more people/consumption = larger footprint). The statement is true.
# Answer:
True

### Question 10
# Brief Explanations:
The tragedy of the commons is overuse of unregulated (common) resources. The statement is true.
# Answer:
True

### Question 11
# Brief Explanations:
Earth, like an island, has limited resources (e.g., space, food, water) and a limited capacity to absorb waste/pollution. Both are closed systems in terms of resource availability (island is geographically closed, Earth is closed in terms of global resource limits).
# Answer:
Living on Earth is similar to living on an island because both have limited resources (such as space, food, water) and a limited capacity to absorb waste, and they are relatively closed systems in terms of resource availability (an island is geographically isolated with limited access to external resources, and Earth has a finite amount of resources that can be sustainably used).

### Question 12
# Brief Explanations:
Sunlight is a renewable resource as it is constantly available (the sun's energy is essentially inexhaustible on human timescales). Oil is a non - renewable resource formed over millions of years from organic matter, and once used, it can't be replaced quickly. So they are at opposite ends of the renewability continuum (renewable vs non - renewable).
# Answer:
Sunlight is a renewable resource because it is continuously supplied by the sun and will be available for billions of years on a human timescale. Oil is a non - renewable resource as it is formed over millions of years from organic matter and is depleted when used. Thus, sunlight is on the renewable end and oil on the non - renewable end of the renewability continuum.

### Question 13
# Brief Explanations:
If a renewable resource is used at a rate faster than it can be replenished (e.g., overfishing a species that normally reproduces quickly, or deforesting an area faster than trees can grow back), it can become non - renewable as its stock is depleted and can't recover in a reasonable time.
# Answer:
A renewable natural resource can become non - renewable if it is used at a rate that exceeds its rate of renewal. For example, if a forest is logged faster than the trees can grow back, or a fish population is overfished faster than the fish can reproduce, the resource will be depleted and act as a non - renewable resource in the short to medium term.

### Question 14
# Brief Explanations:
Non - living things like products (e.g., a car) have an ecological footprint because they require resources (e.g., metal for the car, fuel to run it) to be produced and used, and they also generate waste (e.g., emissions from the car, waste from manufacturing). The resources used and waste generated contribute to the ecological footprint.
# Answer:
A non - living thing (e.g., a manufactured product like a car or a building) has an ecological footprint because it requires natural resources (such as raw materials for production, energy for operation) to be created and used, and it also produces waste (e.g., emissions, manufacturing waste). The extraction of resources, production processes, and waste generation all contribute to the ecological footprint associated with that non - living thing.

### Question 15
# Brief Explanations:
One way to avoid the tragedy of the commons is to regulate the use of the common resource. For example, setting limits on fishing in a common fishery (through quotas), or implementing rules for forestry in a common forest (like limiting the number of trees cut). Another way is to privatize the resource, as private owners have an incentive to manage it sustainably.
# Answer:
One way to avoid the tragedy of the commons is to regulate the use of the common resource. For example, establishing quotas for fishing in a shared fishery to prevent overfishing, or implementing rules for harvesting in a common forest to ensure sustainable use. Another approach could be privatizing the resource, as private owners are more likely to manage it in a way that ensures its long - term viability.

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