Ecology - Ecosystems Questions and Answers

Which of the following is a difference between mitosis and meiosis O Mitosis but not meiosis occurs in somatic cells All of the choices are correct O Cells produced by mitosis are diploid cells produced by meiosis are haploid O In mitosis cytokinesis occurs once whereas in meiosis cytokinesis occurs twice O In meiosis four daughter cells are produced whereas in mitosis two daughter cells are produced

an effete corps of impudent snobs nattering nabobs of negativity Based on your own knowledge who spoke these words President Nixon O Alabama Governor George Wallace O Barry Goldwater O Spiro Agnew

Points 3 Read this quotation We have lost the South for a generation President Lyndon Johnson reportedly said these words after signing O the Civil Rights Act of 1964 O the Immigration Act of 1965 O the Economic Opportunity Act O the Gun Control Act of 1968 Complete Late Complete S

4 3 U2 In aquatic ecosystems carbon is present as dissolved carbon dioxide and hydrogen carbonate ions Outline the process that converts CO to hydrogen carbonate ion in water leading to a reduction of the pH in the water 4 3 U10 Animals such as reef building corals and Mollusca have hard parts that are composed of calcium carbonate and can become fossilized in limestone State that hard shells such as in mollusk and coral are made of calcium carbonate 4 3 S1 Construct a diagram of the carbon cycle Define pool and flux Draw a diagram of the terrestrial carbon cycle Paste here Draw a diagram of the aquatic carbon cycle Paste here Option C Draw a diagram of the Nitrogen cycle Paste here Draw a diagram of the Phosphorus cycle Paste here I

4 1 011 Ecosystems have the potential to be sustainable over long periods of time Define sustainability Give an example of an unsustainable practice Outline three requirements of a sustainable ecosystem

What type of job would a Bracero least likely to be employed as in the 1940 s O Factory worker Railroad worker O Salesman Farm work

In after the passage of the Equal Rights Bill by Congress in 1972 the state of Virginia as the 38th state ratified the Equal Rights Bill O 2020 O 1982 1975 1999 Rese Reset this ass 5 Res Questio

Read about Africa s two greatest environmental concerns desertification and the spread of disease Choose one of these conce and write a short paragraph about its impact on Africa What has caused this problem to occur and how has it impacted people live there Site 1

Question 5 Points 2 Based on the tax and spend label given to liberal Democrats how did John F Kennedy seem to break that mold O He proposed to cut taxes O He proposed to cut taxes and raise defense spending O He proposed to cut taxes and cut welfare programs O He proposed to cut welfare programs and raise defense spending

Question 1 Points 3 Those drafted into the Vietnam War were from the ages of 26 40 O 18 26 O 41 50 O15 20

The first spacecraft the Soviet Union s Sputnik was propelled into the atmosphere using a weapon called which the United States had not yet developed a solid fuel rocket O an intercontinental ballistic missile O a lunar module O a nuclear warhead Reset button w this assessmen Reset Questions 1 5 9

The House Committee on Un American Activities HUAC made headlines when it began its investigation of the movie industry HUAC imprisoned Hollywood film industry witnesses who refused to answer questions declaring the hearings unconstitutional while Hollywood executives blacklisted more for having Communist backgrounds O20 100 O 500 10 O 10 100 O 10 250 Reset this a R Ques 1 9 9

Which was the United Nations primary focus O To capture war criminals to bring them to trial O To hold trials to judge war criminals To abolish monarchies and establish democratic governments in Europe To maintain international peace and security

Choose the correct answer or West Germany was formed with its capital in In May of 1949 the or East Germany was established in October 1949 by the Soviet Union O Federal Republic Germany Bonn German Democratic Republic German Federal Republic Berlin Democratic Republic of Germany Federal Republic of Germany West Berlin Democratic Republic of Germany German Federal Republic Bonn Democratic Republic of Germany Complete Later Complete R th Qu 5 9

What makes Protists a polyphyletic grouping There isn t a single common ancestor of all protists that is an ancestor to only protists Some protists are photosynthetic whereas others are chemoheterotrophs Some protists acquired chloroplasts through secondary endosymbiosis Protists share several features in common like DNA packaged into chromosomes

Flower color purple or white is represented by alleles P p p white is recessive Stamen color red or orange is represented by alleles R r r orange is recessive You cross a plant with purple flowers and orange stamen with a plant with white flowers and orange stamen 50 of the offspring have purple flowers and orange stamen 50 have white flowers and orange stamen Which of the following represent the gametes that the parent purple flowered plant with orange stamen can make O PPrr PPRR O P p R r O Pr pr P r O PR PR Pr pr

Who became the president of the United States after Nixon resigned his president post Spiro Agnew O Leon Jaworski Gerald Ford O General Robert Bork Question 1 5 9 13 17 21

Question 8 Points 2 Which of the following is NOT a characteristic of a monopolistic competition Numerous sellers Differentiated products Some control of price O Identical products

Points 1 Those who opposed immigration were called O Transcendentalists O Know Nothings O Nativists O Conservative

Question 1 Points 3 Based on your knowledge and the information presented in this lesson which answer best completes this diagram More and better services More job opportunities Advantage of city life More entertainment and leisure activities available Better education available O More diverse social communities All of the above

Read the following list of items Controlled thousands of city jobs Had power over important institutions Solved many of the city s problems What do all of these items have in common O Roles of the government Roles of the court system Roles of the city boss None of these choices

After the Civil War many former slaves celebrated their freedom by O pressing for education for their children O marrying O attacking their former owners searching for and reuniting with family members

uestion 38 Points 1 he included the countries of France Britain Russia Serbia and eventually the USA Central Powers O Allied Powers National Defense Committee O None of these choices

Which ope of monopoly is thought to be the most efficient

Carefully read the following quotation The wisest among my race understand that the agitation of questions of social equality is the extremest folly Based on the quotation the lesson and your own knowledge who do you think spoke these words W E B Du Bois O Booker T Washington O Harriet Tubman Ida B Wells Complete Later Complete

Question 25 Points 2 I helped bring legal challenges to segregation and lobbied hard for African Americans full civil liberties I considered racial discrimination a problem that could not be ignored I established what is now know as the NAACP Who am I Ida B Wells O Booker T Washington O W E B Du Bois O Mia Bay

Question 19 Points 2 One of the reasons for the formation of nativist groups was they feared job loss because immigrants might work for lower wages Opublic and private transportation was limited O the country s transformation from an agrarian to an urban country because immigrants lead to the creation of a new social class

dicate which lymphocyte population you would expect to proliferate in each case Scenario I Ecenario II You decide to co culture lymphocytes from the strains listed in the table in order to observe the mixed lymphocyte reaction MLR In each case indicate which lymphocyte population bath neither population 1 or population 2 you would expect to proliferate 6pts Remember in a MLR T cells are responding reacting with MHC hop botype that is not their own The MHC is the antigen in this assay In MLR Tucells proliferate Mice Strains Population 1 Mouse A H 2 Mouse A H 2 Mouse A H 2 C57BL 6 H 2 Mouse A CBA H 2 Mouse B CBAx C57BL 6 offspring 4 2 Mouse AxB Population 2 Mouse B H 2 Mouse A H 2 mito mycin C treated killed cant proliferate Mouse B H 2 mitomycin C treated killed cant proliferate AxB offspring H 2 Mouse B H 2 Proliferation 48 8 IV a both b population 1

John Wesley Dobbs Have you crossed John Wesley Dobbs Avenue on your way to class or heading for a friend s dorm But who was john Wesley Dobbs Dobbs grew up on a Cobb County farm with his grandparents farmers who had once been enslaved and came to Atlanta as a young man Remembered as a key community leader and advocate for Black success Dobbs raised a family and had a career working on the railroads for the Post Office In the 1930s and 40s you were likely to find him in this area talking to people on Auburn Avenue and the surrounding streets A large man with a booming voice Dobbs was a memorable speaker reminding listeners that bucks ballots and books were the key to effecting change Dobbs was a tireless advocate for success economically and politically Dobbs loved to walk the streets engaging many people in conversation and urged them on to new success You may also recognize Dobbs grandson Maynard Jackson who was the first Black mayor of Atlanta The mural shown below is near campus on Aub Avenue Dobbs is shown on the left with his grandson Maynard Jackson on the right CKSON SON MAYNARD JACKSON DOE

Listen In order to see the pretty colors of fall leaves you would the chaparral in California Ot the temperate broadleaf forest of New England the temperate grassland in the mid west You Tube the northern coniferous forest in Canada

Listen Which of the following levels of ecological organization is arranged in the correct sequence from most to least inclusive 21 3 1 O individual community population ecosystem O individual population community ecosystem population ecosystem individual community Oecosystem community population individual community ecosystem individual population s yearly to

18 Listen When climbing a mountain we can observe transitions in biological communities that are analogous to the changes 21 in a community through different seasons in an ecosystem as it evolves over time in biomes at different latitudes across the United States from east to west Oa at different depths in the ocean O

In humans the follicular cells that remain behind in the ovary following ovulation become the thickened portion of the uterine wall O the ovarian endometrium that is shed at the time of the menses Oswept into the fallopian tube O the placenta which secretes cervical mucus Oa steroid hormone synthesizing structur

Which of the following shows how biotic environmental factors can affect an organism Monarch butterflies live only where there are milkweed plants for food Maple trees will not grow in waterlogged soil Mice have the highest reproductive rate of any common mammal Trout will not live in shallow warm water O Some shrubs grow only where forest fires scorch their sond

In which of the following biomes is fire very important for maintaining biodivers Ograsslands Oboreal forests enca temperate forests coastal zones deserts

ch greenhouse gas is thought to be the most important gas when it comes to the global warming trend we have been seeing ozone carbon dioxide Omethane water vapor Ooxygen

The deepest part of the ocean is referred to as the intertidal zone Obenthic zone

past chemoreceptors thermoreceptors nociceptors mechanoreceptors Question 3 2 points 4 Listen Select ALL of the following that are required for a sensation to occur se that you The stimulus energy must match the receptor specificity ex chemicals excite chemoreceptors The stimulus must be applied within the receptive field The graded potential must reach the CNS

3 What is the overall function of this tissue 1 2 To assist in learning To pump blood around the body To move things through hollow organs To allow movement and manipulation of the external environment To move cartilage

What important services do forests provide How might their destruction have an effect on humans

Explain the concept of sustainable development

Explain how a buildup of carbon emissions in the atmosphere could increase global warming

Give two reasons why preserving biodiversity is important to humans

Identify 5 pollutants that accumulate in the air

What type of impact do you think the growing human population might have on Earth s natural resources

Select two statements that describe how fossils provide evidence that species have evolved over time A Fossilized organisms do not share common traits with modern organisms B Fossils show organisms that once lived on Earth but are now extinct C Fossils can be used to predict when a species will evolve D Fossilized remains can be found in rocks that are millions of years old

4 Listen What is the relationship between the wavelength of light and the quantity of energy per photon They are inversely related They are separate phenomena They have a direct linear relationship They are logarithmically related

14 Discuss why obesity is a growing epidemic

Match the glial cells to their correct description Small ovoid cells that can transform into macrophages to phagocytize microorganisms and debris 10 Versatile star shaped cells that support and brace neurons and control the permeability of capillaries in the CNS Surround neuron cell bodies in the PNS Cells that line the central cavities of the brain and spinal cord Form myelin sheaths are thicker nerve fibers in the CNS Form myelin sheaths around thicker nerve fibers 1 Astrocytes 2 Microglial cells 3 Ependymal cells 4 Oligodendrocytes 5 Satellite cells 6 Schwann cells

Choose one of these variables to change Record detailed observations Run the simulation at least 3 times with the exact same setup to account for variations in the random motion of the molecules Then interpret and analyze your results describe and explain the effect of the independent variable you chose on at least one dependent variable you recorded Your write up will be typed using spell check table making functions and headings include thorough observations summarize your results using concise language reference any internet or paper sources at the end of your report in a section called References in APA format in alphabetic order describe and explain how the independent variable affont