climate change

Which of the following diets would contribute to the lowest carbon footprint?

vegan

Since the 1950s, there has been a steady increase in the levels of atmospheric CO2 as a

increased human activity

Over the past several decades, the overall trend for earth's temperatures has been

increases in overall global temperatures atan accelerating rate, a phenomenonknown as global warming

Which of the following are greenhouse gases?

methane and carbon dioxide

Which of the following would fall under the definition of an alternative energy?

solar

Fires and volcanic activity are natural events that produce _____.

co2

Sunlight consists of a wave and a particle. The particle is also known as a(an)

photon

Which of the following best describes the relationship between climate change and global warming?

The increase in temperature is one aspectof climate change and can result in theincreased temperature of the planet,which is known as global warming.

Which of the following best describes the effects climate change is having on tropical reef biomes?

The increase in water temperaturedisrupts the algae-coral symbioticrelationship, which results in death to thecoral reefs.

Climate change influences individuals and species by

all of the above

Fossil fuels play a role in the carbon cycle

all of the above

Which of the following is evidence that weather patterns have changed because of climate change?

all of the above

Which of the following is true regarding the benefits of wind energy?

all of the above

When it comes to the carbon footprint, because of its required usage of land, ______ is the most costly food source

beef

Hemlock trees support life of other organisms. Climate change has increased the rate of infection of Hemlocks with woolly adelgid. These kill the trees which decrease the habitat of animals and other insects. This is an example of how climate change impacts the

community level

Climate change has resulted in droughts and heat waves. What is the major consequence of droughts and heat waves to humans in the United States?

death of elderly or people already in poor health

Which of the following is considered to be a "clean" energy source?

geothermal energy

______ is a product of photosynthesis and is a carbon-based molecule that is the chief source of energy for most organisms.

glocose

What are the two most important insect vectors involved in the spread of bacterial and viral diseases?

mosquitoes and ticks

Which of the following sources of alternative energy involves using uranium or other materials to split the nucleus of an atom?

nuclear energy

Which of the following processes contributes the greatest amount of CO2 to the atmosphere?

the burning of fossil fuels

How does climate change affect earth's oceans?

The pH level of the ocean will shift to amore acidic environment, leading to stressand the possible extinction of manyspecies of shellfish and corals.

As global temperatures increase, which of the following scenarios are most likely to happen?

glaciers and snow coverage decrease

The average global temperature has always measured higher than the average since the

1980s

How do invasive species impact ecosystems?

All of the answer choices are correct.

As climate change continues, the prevalence of vector-borne disease has increased. Why is this?

As climates have warmed and wintershave become less severe, the range ofmosquitos and ticks has increased,bringing with them the diseases theycarry.

Desertification is an example of a biome level change that is associated with climate change.

Associated with poor agricultural practices, including the overgrazing of cattle

Which part of solar energy is important in photosynthesis?

the visible spectrum of light

The light reactions of photosynthesis occur within the ______ of the chloroplast and the Calvin cycle reactions occur within the ______ of the chloroplast.

thylakoid; stroma

In the Calvin Cycle reaction, how would you describe the regeneration of RuBP?

3 phosphates from 3 ATP molecules are QQAadded to 5 G3P molecule

In the Calvin Cycle reaction, how would you describe CO2 fixation?

3 CO2 molecules reaction with 3 RuBP molecules to form 6 3PG molecules

Which of the following is the most likely cause for the sudden sharp increase in atmospheric carbon dioxide levels?

Human activities, including the use of fossil fuels, changes in agricultural practices, and deforestation

Why is ocean acidification problematic for some marine life?

It decreases the amount of carbonate inthe oceans, making the creation of shellsand other hard structures difficult formarine life

What is the main difference in the formation of coal vs. the formation of natural gas and oil?

Natural gas and oil formed mainly fromdeposits of plants and animals living inoceans and coal formed mainly from theremains of plants and animals in swampyanoxic environments

A(An) ______ represents the interactions of biological communities and the abiotic factors within the inhabited location.

ecosystem

Agricultural crops are being genetically engineered to be more tolerant of climate change. Which of the following describes a change that would help crops be more tolerant of climate change?

engineer crops that are less nutritious

Methane versus carbon dioxide are very important greenhouse gases. However, methane can retain and release about ____ times more heat than carbon dioxide.

30

Even though there are alternate energy sources, fossil fuels are used for approximately______ of the United States energy needs

80%

What two products of the light reaction are used in the Calvin cycle?

ATP and NADPH