BIOL103 Exam Review 3

Question 1

In relation to global GDP, how valuable are ecosystems and ecosystem services?

Accepted Answer

More valuable than global GDP

Question 2

Which of the following is a density-dependent factor?

Accepted Answer

Disease

Question 3

A built-up land footprint is related to...

Accepted Answer

Infrastructures to support one's lifestyle

Question 4

A carbon footprint is related to...

Accepted Answer

Energy use

Question 5

What is the low end of predicted temperature increase in the next 100 years?

Accepted Answer

2 degrees

Question 6

A goods and services footprint is related to...

Accepted Answer

Use of everything one needs

Question 7

What would be least likely to be counted in a water footprint?

Accepted Answer

Water when it rains

Question 8

Which of the following did NOT happen when wolves were reintroduced to Yellowstone?

Accepted Answer

Prey populations (such as rabbits and deer) increased

Question 9

True or False? We need some CO2 in the atmosphere.

Accepted Answer

True

Question 10

Which of the following gases has the MOST heat-trapping capability relative to CO2?

Accepted Answer

Hydrochlorofluorocarbons (HFC-23)

Question 11

Which is not a negative consequence of permafrost melting?

Accepted Answer

Fish will have less habitat

Question 12

Approximately when did Thomas Malthus express concerns about human population growth rates?

Accepted Answer

1800

Question 13

Who predicted, back in the 70s, that polar ice would melt if atmospheric CO2 doubled?

Accepted Answer

Exxon Mobil Oil Company

Question 14

Which is NOT a factor that has allowed human populations to grow exponentially?

Accepted Answer

Death rates increased

Question 15

Which of these does NOT influence atmospheric CO2 levels?

Accepted Answer

Generating energy from solar panels

Question 16

Which discipline studies organisms and their interaction with the environment?

Accepted Answer

Ecology

Question 17

A food footprint is related to...

Accepted Answer

Land, energy, and water needed to produce the food one needs

Question 18

What year did Eunice Foote publish a paper detailing the heat-trapping potential of CO2?

Accepted Answer

1856

Question 19

Greenhouse gases trap...

Accepted Answer

Radiant heat from Earth

Question 20

Which of these are not influenced by ecology?

Accepted Answer

These are all related to ecology

Question 21

Which is NOT a biotic factor?

Accepted Answer

Water

Question 22

Which of the following is a density-independent factor?

Accepted Answer

A hurricane leveling homes on a coast

Question 23

Which is NOT a way in which water ENTERS the lower system?

Accepted Answer

Transpiration

Question 24

Which is NOT an abiotic factor?

Accepted Answer

Bacteria

Question 25

Which of the following gases makes up the majority of the Earth's atmosphere?

Accepted Answer

Nitrogen

Question 26

Why is CO2 not balanced in the system?

Accepted Answer

Human-based activities are increasing atmospheric CO2

Question 27

What is the average temperature difference between today's climate and an ice age?

Accepted Answer

2-5 degrees

Question 28

Approximately how many species are there (that we know of) on Earth?

Accepted Answer

9 million

Question 29

BONUS DIFFICULT QUESTION: Which of the following IS an abiotic factor?

Accepted Answer

Viruses

Question 30

Which is the largest cause of deforestation?

Accepted Answer

Agriculture

Question 31

"Climate" refers to...

Accepted Answer

Average rainfall and temperature in a given area

Question 32

Which of these is a carbon source?

Accepted Answer

Trees burning

Question 33

The presence of greenhouse gases in the atmosphere are increasing at a(n)...

Accepted Answer

Exponential Rate

Question 34

Which of the following is a way in which Carbon can be taken OUT of the atmosphere?

Accepted Answer

A plant photosynthesizes

Question 35

Which of these is NOT an example of an ecosystem service?

Accepted Answer

Being able to purchase a computer made with gold microchips

Question 36

How many elements are required for life?

Accepted Answer

24

Question 37

Current climate change is most likely caused by...

Accepted Answer

Unnatural levels of human-released greenhouse gas emissions

Question 38

What is the U.S. average ecological footprint?

Accepted Answer

8.0 global hectares per year

Question 39

A trophic cascade occurs...

Accepted Answer

From the top of the food chain down

Question 40

Why is it warmer at the equator than at the poles?

Accepted Answer

Because the sun's rays are striking Earth directly

BIOL103 Exam Review 3

Questions 40

BIOL103 Exam Review 3

Questions 40