Ecology - General Questions and Answers

Question 4 Points 2 The actions of the Ku Klux Klan were all attempts to limit the effectiveness of the Supreme Court s decision in Brown v Board of Education civil rights legislation passed in all states after the Civil War the 14th and 15th amendments immigration laws such as the Gentleman s Agreement and the Chinese Exclusion Act

What did the Fifteenth Amendment guarantee African Americans right to vote Southern states independence O A new Reconstruction plan O A progressive participation of African Americans in voting

uestion 50 Points 1 became the first woman to swim the English Channel O Gertrude Ederle Babe Didrikson Stella Welch

Question Which of the following statements is are TRUE 1 On May 31 George Dewey the American naval commander steamed into Manila Bay and destroyed the Spanish fleet ii Spain lost 1581 men and the United States lost 1 iii By August the Spanish troops surrendered to Americans rather than the Filipinos who had been fighting for freedom since 1896 Statements I and II Statements II and III Statements III only Statements I and III Complete Later Complete 2 25

Question 40 Points 3 Why did other countries get involved in the Austro Hungarian Serbia conflict Previous treaties made with each other and the threat of a change in the balance of power sparked the First World War Britain France and Russia did not like the way Austria Hungary handled the assassination in Serbia A vast network of German spies was uncovered days before Austria Hungary went to war with Serbia This sparked nations to turn their attention towards war with Germany Serbian terrorist attacks occurred all across Europe That led all the nations of Europe into battle Complete Later Complete 25

Question 37 Who is responsible for spreading Spanish flu across Europe O French Soldiers African Americans O British soldiers O American forces personnel

I swear to the Lord I still can t see Why Democracy means Everybody but me Using the information you learned in the lesson which of the following writer matches the writing style above O Langston Hughes O Countee Cullen Zora Neale Hurston

Choose the correct answer The movement aimed at returning control of the government to the people restoring economic opportunities and correcting injustices in American life was called Prohibition the Era of Good Feelings O the Progressive Movement the Glorious Revolution Complete Later Complete

Question 30 Points 2 There are three barriers to entry for utility companies Which of the following explanations does NOT belong New utility companies are discouraged from competing with established utility companies because legislation strictly discourages competition New utility companies are discouraged from competing because one of the largest barriers to entry for utility companies is the high initial investment New utility companies are discouraged from competing with established utility companies because of the high fines associated with pollution New utility companies are discouraged from competing because established utility companies control most of the raw materials needed to operate a power plant Complete Later Complete 2

b How would you make 500 0mLs of 3 00M MgCl mw 95 21 g mol Explain in words 1

Which of the following surrounds the individual muscle cell epimysium endomysium fascicle

How is the availability of needed natural resources affected by human activities

Which organism had the most DDT in their body Explain

At which trophic level would you expect to find these organisms Why

Give an example of how an animal that lives a far distance away from a polluted area can still have toxins from that area accumulate in their bodies

Which of the following is NOT correct regarding the properties of sound waves The greater the sound intensity the bigger the amplitude The longer the wavelength the higher the frequency The higher the frequency the higher the pitch

What are the three main types of forest biomes Orain temperate boreal marine coastal terestrial Ohigh altitude temperate coastal O temperate tropical boreal old growth

18 Describe freshwater ocean and terrestrial ecosystems

example of economic damage that can occur from introduced species

Which statement is true of both individual behaviors and group behaviors OA They involve the behaviors or actions of many organisms at the same time B They involve cooperative behaviors between organisms C They are adaptations that increase the chances of survival and reproduction D They are adaptations that only involve structures or chemicals within an organism s body

Which statement is true of group behaviors A They must benefit every member of the group to be successful OB They increase the chances that some members of the group will survive and reproduce O C They prevent individuals from successfully reproducing D They are the result of competition among individuals in the group

Tadpoles grow and develop into adult frogs The time they take to develop depends on the temperature Tadpoles develop more quickly where it is colder An invasive crayfish that eats tadpoles moves into a pond with higher temperatures where the tadpoles develop more slowly Several years later the tadpoles develop more quickly than they did before the crayfish arrived Which kind of environmental change led to this adaptation in tadpoles A Introduction of a new predator B Variations in seasonal temperatures C A change in the climate D Change in light availability

Which of these is a behavioral adaptation A Having sharp claws for climbing B Producing venom to disable prey C Migrating south for the winter D Having strong flippers for moving in water

Why is a beneficial trait likely to become more widespread in a population O A Individuals with the beneficial trait are more likely to survive and reproduce passing on the trait to offspring O B Individuals born without the beneficial trait will develop it and their offspring will then inherit it C Individuals without the beneficial trait will selectively mate with individuals that do have the trait D Individuals with the beneficial trait will pass it on to their mates to ensure that their offspring are born with it

How is diversity related to the survival of a species A As an environment changes individuals of a species can change their genes to be more diverse B A species with a high level of diversity does not adjust to environmental changes well C As an environment changes diversity in a species increases decreasing the species chances of survival D The less diverse a species is the less likely it is to survive environmental changes

Caribou usually live in large groups called herds that travel together How would an individual caribou most likely be affected if it did not live in a group OA It would be more likely to survive due to its freedom to move to a new habitat OB It would be less likely to survive due to competition for resources C It would be less likely to survive due to being more vulnerable to predators D It would be more likely to survive due to its ability to hide from danger

Many coastal ecosystems on islands have only a small amount of land that can support the growth of new trees A tree that is well suited to a coastal ecosystem is likely to have which structural adaptation OA Seeds that need little water to germinate B Seeds that can float on water OC Flowers that bloom during the driest season D Flowers that can be pollinated by only one type of bird

Question 4 of 22 Anoles a type of lizard can have green or brown skin The circle graphs show the percentage for each color in an original population and the same population several generations later Original Anole Population Brown anoles 40 Green anoles 60 Anole Population after Several Generations Brown anoles 20 Green anoles 80 Which situation could explain the change in the population s genetic makeup A A drought killed off the green plants B A rainy season increased the number of green plants in the area C The brown anoles outcompeted the green anoles for food D A predator that targets green anoles moved into the area PREVIOUS

Question 1 of 22 What are three possible outcomes of natural selection when an environment changes A Individuals change their traits to adapt B The number of individuals in a species increases C A species goes extinct D A new species emerges over time SUBMIT

Which of the following conditions inhibit the activity of the PDH complex a Selected answer will be automatically saved For keyboard navigation press up down arrow keys to select an answer b Dephosphorylation of PDH high energy charge C Phosphorylation of PDH high energy charge d Phosphorylation of PDH low energy charge Pyruvate Dephosphorylation of PPH low energy charge NAD NADH H X CO PDH Complex acetyl CoA

At the center of a mid ocean ridge is a compression zone rift valley oceanic trench subduction zone

Panting by an overheated dog achieves cooling by evaporation shivering thermogenesis torpor O acclimatization nonshivering thermogenesis Question 9 1 point

Listen Why did all of the F offspring of Mendel s classic pea cross always look like one of the two parental varieties The traits blended together during fertilization Each allele affected phenotypic expression One allele was dominant No genes interacted to produce the parental

According to the graph below organisms classified as psychrotrophs Rate of growth Psychrotrophs Psychrophiles 10 0 10 Mesophiles 20 O All of the above 30 40 Thermophiles 50 60 70 Temperature C have an optimum growth temperature of about 30C O have a minimum growth temperature of OC O have a maximum growth temperature of 37C are able to cause diseases in humans Hyperthermophiles 80 90 100 110

ese possible hypotheses about stars in our universe as falsifiable or non falsifiable Millions of shining stars make the night sky incredibly beautiful The Sun is the most important star in the universe Falsifiable Stars are formed from enormous clouds made mainly of hydrogen and helium The twinkling of stars is an illusion that results from the stars radiation passing through Earth s atmosphere Non Falsifiable

Fill in the blank What is the correct sequence of stages in the life cycle of the Chinese liver fluke To answer write the numbers with a space in between e g 1234567 1 adult 2 egg 3 metacercariae 4 miracidium 5 cercariae

D Opportunistic fungal pathogens C 9 Candida albicans 1000x C 2 How do mold spores differ from bacterial endospores Pneumocystis carinii demo 400x or 1000x Questions 1 Why are antibiotics added to media that are designed for growing fungi e g Sabouraud s agar Antibiotics Prevent the growth of bacteria which would be a contaminant in a Fungal culture 3 Pathogenic bacteria are routinely cultured in clinical and research microbiology laboratories where pathogenic fungi are rarely cultured Why is this so 4 Compare and contrast the microscopic appearance of C albicans and T mentagrophytes 5 Compare the geographic distributions of C neoformans H capsulatum and C immitis

5 When skin is exposed to sunlight it tans Explain how tanning occurs and what the purpose is of this mechanism

What can be deduced from the given passage Air pollution is on the rise in urban areas It is due to the increased traffic congesti and rising number of factories It is adversely affecting the health of people residing the cities making them vulnerable to respiratory ailments The writer has used the testimony to back his point This is a cause and effect structure The writer has cited from a book

Which unit would you use to measure a person s height A seconds B kilograms C moles D meters

encourage you to read further on your own A We have now concluded our study nevertheless I encourage you to read further on your own B We have now concluded our study nevertheless I encourage you to read further on your own C We have now concluded our study nevertheless I encourage you to read further on your own D We have now concluded our study I encourage you to read

an introductory transitional phrase A Furthermore like other poets Aleksandr Solzhenitsyn speaks and writes in a different language B Furthermore like other poets Aleksandr Solzhenitsyn speaks and writes in a different language C Furthermore like other poets Aleksandr Solzhenitsyn speaks and writes in a different language D Furthermore like other poets Aleksandr Solzhenitsyn speaks 2

The amount of blood ejected from the ventricles in one minute is called The percentage of blood ejected from the ventricles in a single alled

Which of the following is an absolute modifier A big B large C small D immortal

complete the following sentence This was I have ever seen him behave in the face of not getting his way A the maturest B more maturer than C the most maturest D the maturer

Which is the correct organizational hierarchy of life from largest to smallest group Biosphere Community Population Tissue Organ Cell Atom Molecule Ecosystem Community Population Organism Tissue Cell Molecule Atom O Community Ecosystem Population Tissue Organ Cell Organelle Atom Ecosystem Population Community Organ System Organ Cell Molecule

Give one parasite and the condition it might cause when infecting dead end hosts

In Virginia water has eroded underground areas of limestone to form large 2 points caves and caverns The water must have carbon dioxide to wear away the limestone The carbon dioxide is necessary to raise the temperature of the water so it will flow even in the winter reduce friction and make the water flow faster form a weak acid in the water that reacts with the limestone to dissolve it allow bacteria to grow and attack the limestone

Who said The Brooklyn Bridge required of its builders faith in their ability to control technology Chester A Arthur Franklin Edson

How is Baldwin s adaptation similar to Ovid s original O It describes what happens after the flood and how the water recedes OIt describes the barrenness of the drowned land after the water subsides O It shows how the flooding is stopped by the declaration of the gods O It shows how the vegetation grows back better than it was before the flood