BIO Exam 4

Methane versus carbon dioxide are very important greenhouse gases. However methane can retain release about ______ Times more carbon dioxide.

30

even though there are alternate energy sources fossil feels are use approximately______ do United States energy needs

80%

Which of the following produces the greatest amount of carbon emissions and has the greatest impact on the human carbon footprint?

Driving cars powered by gasoline

A _____ represents the interactions of biological communities abiotic factors within the inhabited location

Ecosystem

Which of the following describes a disadvantage of nuclear energy, especially compared to other alternative energy sources?

Nuclear energy is not always say because of the radioactivity involve.

Sunlight consist of a wave and a particle. The particle is known as a

Photon

Which of the following acts as a source of carbon dioxide within carbon cycle?

Respiration from humans and animals

Fossil fuels are brought up From the bottom of the Ocean by

Shifting of the earths crust

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

Solar

If a scientist was studying methods to reduce the heating of earths by reducing the amount of solar heat from being trapped in greenhouse gas is, the scientist would be studying

Solar radiation management

Which of the statement below SM rises the overall purpose of the light dependent reactions?

The light dependent reactions capture the energy from the sun and transfer it to high energy molecules.

Which part of the solar energy is important in photosynthesis?

The visible spectrum of light

A decrease in the oceans PH is called ocean acid if acidification. What impacts has this had on shellfish?

Their shells are weak due to lack of calcification

The light reactions of photosynthesis occur within the _____ of the chloroplast in the Calvin cycle reactions occur within the _____ Of the chloroplast

Thykloid, stroma

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

Vegan

greenhouse effect

Yes he's caused by Casas I just carbon dioxide trapping heat in the earths atmosphere

As climate change continues, and prevalence a vector borne disease has increased. Why is this?

as climate have warmed and winters have become less severe, the range of mosquitoes and ticks has increased, bringing with them the diseases they carry.

A biome is defined by

average temperature and precipitation

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?

engineered crops to withstand extremely hot temperatures

Photosynthesis takes carbon in from the atmosphere and uses it to form ______ the energy source for all plants and animals to use in cellular respiration

glucose

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The average global temperature has been increasing since

1980's

Why is ocean acidification problematic for some marine life?

A decrease in CML a carbonate in the oceans, making the creation of shells and other hard structures difficult for marine life.

if the downward slope of the line continues, what would be expected sea ice volume in 2020?

A little over 13.5 millions of square kilometers

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

ATP and NADPH

Climate change influencers individuals and species by

All of the answer choices are correct

Methane

All of the answer choices are correct

The carbon cycle includes

All of the answer choices are correct

Which of the following is evidence either patterns have changed because of climate change

All of the answer choices are correct

carbon sinks are reservoirs that hold large amounts of carbon. Which of the following are considered to be carbon sinks?

All of the answer choices are correct

Fossil fuels play a role in the carbon cycle

All of the answer choices are correct or (Keeping carbon dioxide in the atmosphere)

How do invasive species impact ecosystems?

All of the answers are correct

The desertification is an example of a biome level change that is associated with climate change. Which of the following is associated with desertification?

Associated with poor agricultural practices. Including overgrazing of cattle.

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

Beef

Which of the following examples best describes Geoengineering may help mitigate global climate change.

Developing ways to reflect portions of the solar energy before they reach the earth, preventing it from contributing to the greenhouse effect.

Tires in volcanic activity or natural events that produce

CO2

Because fossil feels are the remains of once living organisms, they contain reservoirs of _____ that are released into the atmosphere when they are burned.

Carbon

The measure of the impact on climate change by a person or a company is known as their

Carbon footprint

the amount of carbon dioxide that is directly or indirectly released into the atmosphere by a persons activities is called that person's

Carbon footprint

Hemlock trees support life of other organisms. Climate change has increase the rate of infection of hemlock trees with wooly adelgid. This is an example of how climate change impacts the?

Community level

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

Considered to be non-polluting

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

Death of elderly or people in already poor health

According to this figure. Arctic sea is ___ on average.

Decreasing in volume

Oh is a fossil fuel that results from pressure being exerted on plants and animal DK for millions of years. oil and natural gas are Also fossil fuels Except they

Formed from microscopic plants and animals

Which of the following technology seeks to manipulate components of the environment to bring about positive change?

Geoengineering

Carbon cycles naturally between

Geologic an atmospheric reservoirs in living organisms

Which of the following is an example of an alternative energy that uses renewable resources?

Geothermal energy

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

Geothermal energy

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

Glaciers in snow coverage decrease

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

Glucose

How do greenhouse gases cause climate warming?

Greenhouse gases prevent radiation of infrared energy back into space, trapping the heat near the earths surface and causing the climate to warm.

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

Human activities, including the use of fossil fuel's, changes in agricultural practices, and deforestation

Over the past several decades, the overall trend for earth temperatures have been

Increase in overall global temperatures at an accelerating rate, a phenomenon known as global warming

according to the evidence of climate change, and there has been an overall _____ in water and temperature, and overall _____ in ice formations.

Increase; decrease

Sensor 1950s, there has been a steady increase in the levels of atmospheric C02 as a result of

Increased human activity

An _____ species is one that has been introduced into a new environment, outside its natural range and has a negative affect on the new environment

Invasive

Why is solar energy considered to be a better option in mitigating climate change?

It releases for less carbon dioxide into the atmosphere compared to burning fossil fuels

Which of the following are greenhouse gases?

Methane and carbon dioxide

In what way is new technologies beneficial as we work to mitigate climate change?

Mini technologies have the potential to reduce the impact of the greenhouse effect And prevent climate change from getting any worse

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

Mosquitoes and ticks

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

Natural gas and oil for mainly deposits of plants and animals living in oceans in coal formed mainly from the remains of plants and animals and swampy anoxic environments

Which of the following minor contributing greenhouse cases are produced from agricultural practice such as the use of burning fossil fuels and used in fertilizers?

Nitrous oxides

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

Nuclear energy

Evolution is a natural process that occurs over time. Evolution has been disrupted by climate change because the changes are occurring at such a rapid rate.

Species are not able to adapt to the changes fast enough

How does climate change affect the earths oceans?

The PH level of the ocean will shift to more acidic environment, leading distress and the possible extension of many species of shellfish and corals

which of the following have scientist shown to be the link between climate change and the survival rate of invasive species?

The ability to adapt to changing environmental conditions

Climate can best be described as

The average weather patterns in a area over a long period of time

Which of the following processes contribute to the greatest CO2 to the atmosphere?

The burning of fossil fuels

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

The increase in temperatures is one aspect of climate change and can result in de increase temperature of the planet, which is known as global warming

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

The increase in water temperature disrupts the algae-coral symbolic relationship...