Ecology - Environmental Issues Questions and Answers

The phrase "separate but equal" was affirmed in Plessy v.Ferguson the Dred Scott decision Jim Crow laws the South

Why was vaudeville so popular at the turn of the century? It was a live performance with only one type of show. It was the first motion picture system created in that period. It had a chorus made up of famous singers. It was quality live performances with a variety of artists.

All of the following became important leisure and public recreation activities at the turn of the century EXCEPT Spectator sports Tennis Bowling Bicycling

Which of the following is a major point source of pollution? A. Biomagnification B. High American water usage C. Oil spills D. Agricultural runoff Reset Selection

For this last discussion question, I want you to think about the major environmental issues we are facing today climate change. Briefly, what is the cause (or causes) of the issue? What can we do about it? Why might it be difficult to correct the issue even when we may know what we need to do?

The global patterns of atmospheric circulation and precipitation occur because of the cooling of the land. winds blowing off of the world's major mountain chains. global differentials in sea surface temperature. the greenhouse effect. rising masses of warm air and sinking masses of cool air.

The inventor of the amazing machine was a(an) professor from an unknown college. A. prosperous B. calamity C. obscure D. stupor

In which sentence is the modifier placed correctly? A. With blonde straggly hair, she strutted out onto the purple-lit stage to greet her cheering fans. B. She strutted out onto the purple-lit stage to greet her cheering fans with blonde straggly hair. C. She strutted out onto the purple-lit stage with blonde straggly hair to greet her cheering fans.

Lipases can work in: A. Solid and liquid media B. Inorganic and liquid media C. Organic and liquid media D. Without media

While disinfectants are__ antiseptics are chemical agents; physical agents used on non-living surfaces; used on living surfaces used to sterilize the skin; used to sterilize surgical instruments non-toxic chemicals; very toxic Disinfectants and antiseptics are synonymous

You inoculate an unknown microorganism in a tube containing thioglycollate medium and obtained the results indicated in the figure below (even growth in the whole medium). How would you classify this organism according of its requirement of oxygen? Aerotolerant anaerobe Facultative anaerobe obligate aerobe Aerotolerant aerobe Microaerobe

Which answer below correctly combines and punctuates these two sentences using the subordinate conjunction "if"? Studying fireflies is a fascinating research project. You want to learn about how nature works. A. If you want to learn about how nature works studying fireflies is a fascinating research project. B. If, you want to learn about how nature works studying fireflies is a fascinating research project. C. Studying fireflies is a fascinating research project if you want to learn about how nature works.

Because the young woman was pushed from the sky A. she was never heard of again. B. life began on earth. C. the waterfowl were the only life forms left. THE WORLD ON THE TURTLE'S BACK Native American Creation Story A long time ago human beings lived high up in what is now called heaven. They had a great and illustrious chief. It so happened that this chief's daughter was taken very ill with a strange affliction. All the people were very anxious as to the outcome of her illness. Every known remedy was tried in an attempt to cure her, but none had any effect. Near the lodge of this chief stood a great tree, which every year bore corn used for food. One of the friends of the chief had a dream in which he was advised to tell

4. Mrs. Cleaver mixes 1.24 liters of red paint with 3 times as much blue paint to make purple paint. She pours the paint equally into 5 containers. How much blue paint is in each container? Give your answer in liters.

Which of the following events would shift a supply curve to the left? O The number of sellers in the market increases. O The price of the good that the firms produce is expected to fall in the near future. O Local government increases the taxes that are levied on firms. O The prices of many inputs are dramatically reduced.

When a firm is producing at the level of output that maximizes profit, which of the following is true? (1 point) O Marginal revenue is equal to marginal cost. O Marginal revenue is greater than marginal cost. O Marginal revenue is positive. O Marginal cost is negative.

As the price of a good increases, all else being equal, consumers will likely purchase O more of the good because substitutes have become relatively more expensive O less of the good because substitutes have become relatively less expensive O less of the good because substitutes have become relatively more expensive O more of the good because substitutes have become relatively less expensive

Hooke's law is described mathematically using the formula Fsp = -kx. Which statement is correct about the spring force, Fsp? It is the force that displaces the spring. It is larger than the applied force. It is a vector quantity. It is always a positive force.

Which of the following is an example of a positive externality that would result from converting the inner part of a city to a pedestrian only area? the reduction in gas prices for people who work in the area the increase in the commute time for people who work in the area a decrease in business in the area the decrease in pollution in the city

A team of engineers is asked to evaluate several different design solutions. Which statement about criteria and constraints is true? A. Constraints are more important than criteria. B. They are more useful if they include qualitative values. C. Criteria are more important than constraints. D. They are more useful if they include numerical values.

Farmers recently have started to use a lot of fertilizer on farms. Extra fertilizer runs off the farms, into the rivers, and out into the oceans. Which of the following would be a likely outcome of this? Animals will use the fertilizer to grow. Algae will grow, causing algae blooms. Coral reefs will grow faster. Kelp on the bottom of the ocean will grow.

In this adapted excerpt, Procopius describes Justininian. Justinian created countless cities which did not exist before. And finding that the belief in God was... straying into errors... he... brought it about that it stood on the firm foundation of a single faith. Moreover, finding the laws obscure because they had become far more numerous than they should be, and in obvious confusion because they disagreed with each other, he preserved them [in the Code of Justinian, 529-534]... by controlling their discrepancies with the greatest firmness. Source: Procopius, Buildings, Loeb Classical Library, 1940 (adapted) According to Procopius, what were three contributions of Justinian?

Why do manufacturers of coffee makers and steam irons recommend regular cleanings with vinegar? Because it disinfects the coffee maker Because the acid reacts with water to get the wrinkles out more thoroughly Because hard water has CaCl2 in it which is a precipitate Because hard water has CaCO3 in it, which reacts to form the soluable compound calcium acetate

A wooden applicator stick that had been used to sample bacteria should be disposed of a. in a wastepaper basket. b. in a biohazard bag. c. in a hard-sided biohazard container. d. in a container filled with disinfectant.

Which of the following are true statements about toddlers' sense of possessiveness? I. Toddlers' possessiveness accompanies their development of a sense of themselves as separate individuals. II. The sense of individuality that toddlers begin to develop around 18 months of age is a source of pride as well as insecurity. III. Possessiveness during the toddler period generally indicates that the child will grow up to be a selfish individual. IV. You should avoid scolding or punishing toddlers for their possessive tendencies. A. II, III, IV B. I, III C. I, II, IV D. I, II, III, IV

In which perspective of a third-person point of view, does the narrator reveal a single character's thoughts and feelings? Third-person Objective Third-person Omniscient Third-person Limited None of the choices

An increase in the concentration of greenhouse gases, like carbon dioxide, in the atmosphere can increase the temperature on Earth. How would such an increase in temperature most likely affect Earth's water cycle? A. It would diminish cloud formation which would result in an increase in precipitation. B. It would cause the melting of glaciers which would result in an increase in surface runoff. C. It would reduce ocean evaporation which would result in a decrease in precipitation. D. It would keep snow in the solid phase which would result in a decrease in surface runoff.

Decomposers such as bacteria feed on dead plants and animals. In which cycle does this decomposition play a role in forming the fossil fuels that people use for energy? A. carbon cycle B. nitrogen cycle C. argon cycle D. water cycle

4. Look at the formulas for standard deviation and for standard error. (a) Explain, in words, the difference between the standard deviation and the standard error. (b) You have three data sets with the same standard deviation, S=3.298. Data Set I has ten observations in it (n=10), Data Set 2 has twenty (n=20), and Data Set 3 has fifty observations in it (n=50). For each of these calculate the standard error. Data Set 1: Data Set 2: Data Set 3: (c) Explain how the standard error changes when the sample size changes (but the standard deviation stays the same). Then, explain how the formula for the standard error justifies this change

Choose the correct answer. Imagine you are writing an argumentative essay on the negative effects of high fructose corn syrup. By including a quote from a doctor presenting statistical information on the connection between corn syrup and weight gain, you could appeal to readers' pathos and logos ethos and logos ethos and pathos

And on the pedestal, these words appear: My name is Ozymandias, King of Kings; Look on my Works, ye Mighty, and despair! Nothing beside remains. Round the decay Of that colossal Wreck, boundless and bare The lone and level sands stretch far away." Which of the following option best explains the struggle between human beings and nature? Humans can control the destructive power of nature by making effective use of technology. humans have the power to control the entire world, while nature cannot. Humans are powerless compared to the power of nature.

Read the excerpts from Wuthering Heights by Emily Bronte and answer the question that follows. Being unable to remove the chain, I jumped over, and, running up the flagged causeway bordered with straggling gooseberry-bushes, knocked vainly for admittance, till my knuckles tingled and the dogs howled. The phrase "till my knuckles tingled" appeals to ear touch eyes

Once upon a time, a man and his wife had the good fortune to have a goose which laid a golden egg every day. Lucky though they were, they soon began to think they were not getting rich fast enough. They imagined that if the bird was able to lay golden eggs, its insides must be made of gold. And they thought that if they could get all that precious metal at once, they would get mighty rich very soon. So the man and his wife decided to kill the bird. However, upon cutting the goose open, they were shocked to find that its innards were like that of any other goose! What is the theme of "The Goose with Golden Egg"? Luck Greed Cruelty

Nothing beside remains. Round the decay Of that colossal Wreck, boundless and bare The lone and level sands stretch far away." In line 8, the speaker says "The hand that mocked them, and the heart that fed;" How do you think this line adds value to the poem? This line explains the sculptor's perfect recreation, which looks like it is mocking at the subject. This line shows how the speaker mocks at the derogatory comment of the traveler about the subject. The line explains how the traveler mocked at looking at the shattered image of the subject.

Eclipses and Moon Phases Activity This lesson highlighted eclipses and lunar phases. If you had to teach another person about the difference between the two events, how would you explain it? Models are a great way to explain a process. For instance, if you used a flashlight as the sun and made a model of Earth and the moon, you could show how an eclipse forms as shown in the student sample. Choose either eclipses or lunar phases and make a model of the event. Your model can take any form, providing it can explain how your event takes place. Once you have created your model, use it to teach someone else about lunar phases or eclipses. Submit a picture, video, or diagram of your model to your instructor, along with evidence of how you used your model to explain your selected event.

Which of the following activities will lead to evaporative cooling The production of sweat A lizard retreating to the shade of a rock The opening of stomata Flower closing its petals in intense sunlight The panting of a dog The orientation of fish into a colder water current

Toxic airborne substances are classified according to the: a) type of effect they have on the body. b) parts per million of the substance in the air. c) type of breathing apparatus required. d) duration of a specific level for a given time.

How can temperatures differences between seasons benefit lakes and ponds? A. separates where certain fish move to B. causes some vegetation to freeze C. brings in different terrestrial life

Which of the following is not an intention of Good Laboratory Practices (GLP)? To aid in transferability of data To evaluate the scientific value of the data To promote generation of high quality data To provide validity to data

What role did observation of carbon dioxide play in this study? a. It acted as a tracer that could help determine the human activities that released mercury into the ocean. b. It showed how mercury is taken up into the marine food web. c. It helped the researchers develop an estimate for deep-water mercury concentration. d. It helped neutralize the toxic effects of mercury.

In a paragraph response, choose a myth from this unit and explain why it exemplfies the Death/Afterlifemotif. Identify the archeteype, summarize the myth, then answer one of the following questions: 1)What does the archetype or myth teach us about the beliefs, daily life, or geography of the culture? 2)What life lessons can we gather from the myth/archetype? 3)What other cultures or modern elements can you connect to this myth or archetype?

When FDR declared a "federal bank holiday" and shut all the banks just after his inauguration, what was he trying to avoid? housing foreclosures and farm foreclosures bank failures and stock market crashes "bank runs" and Communist party riots "bank runs" and bank failures

Your Aunt Carole has come to you and your classmates for help with her new product. After years of frustration, aggravation, bites, and scratches from her beloved but bad-tempered long-haired cats when attempting to groom them, Aunt Carole has developed a new product the "Happy Pet" mat remover. The "Happy Pet” electronically stimulates individual hairs to separate with no pulling or tugging on sensitive skin. Even the worst mat comes out easily. It is no more than two ounces, small enough to fit the owner's palm, and made of soft rubber. It would come with an automatic recharger similar to that of a cell phone. You have done some research and found that according to the U.S. Pet Ownership & Demographics Source book (2012), Americans own approximately 75 million cats. Even if only 20 percent of them have long hair, that is a substantial market for a small business. Decide what advice you would give Aunt Carole to help her succeed. You might start by considering the market viability of the idea. How do you find out if people will actually pay for something like this? Who is most likely to buy it?

What is expected to happen if a continual stream of carbon dioxide (CO2) is added at an ever increasing rate to the atmosphere? a. The atmospheric CO₂ level will rise, then the shallow ocean CO₂ level will rise, then the deep ocean CO2 level will rise, until an equilibrium is reached. b. The atmospheric CO₂ level will rise and remain at an elevated level indefinitely while the stream is being added. c. The atmospheric CO₂ level will rise and continue to rise.

Why should the carbon cycle receive so much attention in ecology? a. Carbon is the building block of life. b. Carbon is not super-abundant on the earth. c. Carbon in the air is strongly correlated with the earth's temperature. d. Humans have altered the natural carbon cycle on a grand scale. e. All of the above.

Obligate anaerobic bacteria can produce ATP by... glycolysis anaerobic respiration fermentation All options are correct

The main differences between aerobic and anaerobic respiration is that... All the options are correct only aerobic respiration requires oxygen as final acceptor of electrons in ETC only aerobic respiration involves Krebs cycle only aerobic respiration involves the electron transport chain (ETC) only aerobic respiration involves glycolysis

Every TWO acetylCoA (2 carbons compound) that enters Krebs Cycle produces... 2 CO2 + 6 NADH + 2 FADH2 + 2 ATP 2 CO2 + 4 NADPH + 2 FADH2 + 2 ATP 1 CO2 + 6 NADH + 2 FADH2 + 2 ATP 6 NADH + 2 FADH2 +2 ATP 4 CO2 + 6 NADH + 2 FADH2 + 2 ATP

Sustainability is a goal of environmental science because it allows do a. a human population to survive indefinitely b. people to live well without harming the environment c. people to use all the resources they want from the Earth d. to focus on only conserving our water supply

A curve ball in baseball can be described as: Curvilinear motion achieved by bernoulli's principle Rectilinear motion achieved by magnus effect Curvilinear motion achieved by magnus effect Angular motion achieved by Archimedes principle