Ecology - General Questions and Answers

Prairie chickens live in flat areas with tall grasses Which sentence describes how a natural environmental change contributed to the near extinction of prairie chickens OA Flooding caused by a hurricane reduced the prairie chicken population to the point where it was difficult to find mates B Landslides caused by earthquakes fragmented the prairie chickens natural habitat and caused populations to diverge C Forest fires caused by lightning drove the prairie chickens to new habitats where they were more likely to survive D The use of chemicals on nearby farms caused mutations in the prairie chickens that increased their genetic diversity

The number of currently described species on the planet is about O O O O 17 000 150 000 1 5 million 10 million

Explain the link between population growth and global air pollution Based this discuss what can be done to redu pollutant concentrations in the atmosphoro

Figure 4 Oldest Youngest Relative age of Figure 4 rocks oldest to youngest C D H Figure 4 A McLelland Christine V What s Up A Relative Age Dating Activity Boulder Colorado Geological Society of America n d PDF adapted from Jonathan Bushee and Raman Singh Northern Kentucky University

Which of the following statements is NOT true O Impulse is measured by the total change in linear momentum produced during a collision The forces which act on objects for a short time are called impulsive forces O Impulse is the product of the force and the acceleration for which the force acts on the object O Hitting a ball with a bat is an example of impulsive force

Type the correct answer in the box Use numerals only What is a biodiversity hotspot A biodiversity hotspot is a region that has lost at least percent of its original habitat

Select the correct answer from each drop down menu What is the 10 percent rule The 10 percent rule states that when an organism species is consumed by another organism species of higher trophic level the latter only 10 of energy The rest of the energy is lost during energy transfer or transformed as incomplete digestion by species of a higher trophic level or lost to

Question 1 Points 1 Which of these services is not a function of state government O Education O Public welfare O Defense O Public safety

a The gravitational pull of the moon b Temperature and salinity A Plastic Ocean Documentary Companion Questions 1 Which is bigger a blue whale or a dinosaur 2 How long can a blue whale stay underwater 3 Name How long can Tanya Streeter hold her breath 4 How did the whale die 5 How many of tons of plastic water bottles end up in U S landfills every year 6 What are dioxins 7 How many millions of tons of plastic reaches our oceans every year 8 What type of litter do the scientists find on the bottom of the ocean 9 How far does the remote vehicle travel down 10 What is the name of the huge pile of located in the gyre 11 How many trillions of pieces of plastic are floating in our oceans worldwide 12 What sticks to microplastics 13 What are the little plastic pellets used to create plastic products called 14 What does a nurdle look like to marine life 15 Where in the food chain do the toxins in ocean plastic eventually migrate to 16 Where is the world s largest source of protein 17 What does the bird vomit up 18 In the lab how many pieces of plastic were found in the one bird 19 How was the sea turtle affected by the presence of large amounts of plastic in its stomach 20 How are tissue samples collected from the bottlenose dolphins 21 In Manila what are the people growing vegetables on top of 22 What will ultimately solve the problem of plastic pollution in Manila QUO

20 Where is the planet s second largest dead zone located Atlantic Ocean Gulf of Mexico Pacific Ocean Arctic Ocean

O not or without O environment What does the prefix a mean O not or without What is ecology O environment O The study of genes genetic variation and heredity in organisms The study of relationships between organisms and their environment The study of cells the smallest units of life 1 point Air 1 point Which are examples of biotic factors 2 points Sunlight Bacteria

3 Wh 9 If you are fouled when you are shooting a lay up and you miss the shot how man foul shots are you awarded 10 A quick offensive move by a player trying to get free for a pass is a

EXTRA CREDIT QUESTION Describe how the bottleneck effect can cause a population s allele fequencies to change What causes the change to occur

using the Lockdown monitor with a Web camera feature The exam consists of 2 parts 1 Multiple Choice 21questions 2 points each plus 1 matching question 8 points allowed 40 minutes 1 attempt 2 Essay 4 questions 50 points allowed 60 minutes 1 attempt 10 points How can a healthcare establishment ensure that limited English proficionan

In a laboratory experiment two groups of rats are fed two different fatty acids as their sole source of carbon for a month The first group gets heptanoic acid 7 0 and the second gets octanoic acid 8 0 After the experiment a striking differnece is seen and have gained weight whereas the second group are weak and have lost weight as a result of losing muscle mass Explain the biochemical basis for this difference by answering the following questions a Describe the differences in the beta oxidation pathways between the two fatty acids Draw out structures that would prove your point You don t need to repeat the steps in beta oxidation state the number of rounds b What are the major end products for the breakdown of 7 0 and 8 0 Explain how the end products can lead to different metabolic pathways that may result in the physical differences in the 2 rat groups 10 pts c How much net ATP can one get out of 1 molecule of 7 0 and 8 0 Please account for the fatty acid activation step You don t need to show the beta oxidation pathways but please show the math and brief explanation on how you have derived your answer

causes plants to do Why this is helpful Vertabrates have a What is an organism s niche List an organism and give an example of its niche Behavior Innate Instincts Classical Conditioning Operant Conditioning Learned What is it Give an example Imprinting Habituation How does mimicry and camouflage enable animals to survive Photosynthesis VS Chemosynthesis Hetertroph Conqu Describe the following zones in oceans Abyssal Bathyal Neritic Intertidal Label the zones Herbivores eat Carnivores eat Omnivores eat Decomposers Detritivores Difference between Endotherms Ectotherms

The Standard Error value is an indication of Select one O a how close the sample mean estimates that of the whole population O b how many data points are included in a single mean O C the sample size of the experimental group O d how many mistakes a researcher made during 19990006 298 9 2 0 5 0 106 225 152229 And experiment

The following table lists key traits found in various plant taxa Construct a cladogram showing the relationships between the taxa listed in the table based on the presence or absence of these traits Plant Taxa Mosses Ferns Conifers Ginkgos Cycads Angiosperms Embryo w in female parent X X X X X X Sperm w in pollen X X X X Gameto Sporo phyte phyte domin domin X X X X X X Vascular tissue present X X X X X Heart shaped gameto phyte X Naked Cones seeds no ovary X X X X X Fan shaped decidu ous leaves X Needle Palm Seeds Double shaped like w in fertiliz leaves ovary ation ever green leaves X X X X

Now that you have an understanding of Earth s 4 spheres you can apply this to the world around you Go outside and take a few minutes to view the natural world around your home or school List 3 things from each sphere that you notice Hint Some things might be there but are not visible like the gases in the air Atmosphere Hydrosphere Geosphere

Must post first A group of scientists are testing the effectiveness of sunscreen on UV protection Rather than follow the scientific method in order they decided to form a hypothesis after collecting the experimental data Is there anything wrong with this action Explain your answer 5 pt bonus on Quiz 1 Limit your answer to no more than 2 paragraphs Your post must be original Plagiarized posts will receive no credit You must include and cite references including prior knowledge No credit will be given if you do not follow directions A

Experimental Inquiry What Can You Learn About the Process of Science from Investigating a Cricket s Chirp experimental group control group Cricket male snowy tree cricket female snowy tree cricket Experimental or Control

19 The best place to look for instructional strategies is OA the public library OB a colleague or friend OC your professional association OD the newspaper or popular magazines

16 As children become more active it s important to OA use highchairs OB place children in rooms with doors O C use containing equipment such as playpens OD evaluate the safety of their environment

11 Shakespeare s plays often contain puns which are OA plays on words OB rhyming lines OC archaic phrases OD slang terms

7 A poem s rhyme scheme is part of its OA sound O B theme O C diction OD structure

16 Which statement about free verse is correct OA It s the same as blank verse OB It can be either rhymed or unrhymed OC It has a specific meter OD It has a regular rhythm

Lab 09 Amino Acids and Proteins 1 The Biuret test b Were there any differences in the color and intensity of the positive test results c Which samples gave negative results in the biuret test ICOL Biuret Xanthoproteic Sakaguchi Water light blue Observations a Which samples gave positive results in the biuret test clear Nitroprusside Yellow Albumin ombre purple blue yellow foggy Yellow Table B1 Effect of Heat on Albumin Casein Ombre purple L blue Yellow Chunky foggy yellow Temperature Gelatin ombre purple bive clear goldish Arginine Cysteine Tyrosine light light blue Clear orange Clear Clear red I yellow purple Description blue dark orange Yellow Lab 09 Amine 4 The ni

After watching the video A Brief History Of Unions YouTube explain if you believe unions are still necessary Do you believe unions will still be in existence in 50 years Support your position with relevant facts

For this discussion you should identify a company or field in which you would like start your career What would be a Bona Fide Occupational Qualification for that field Is your field known for being fair to everyone or is there an abundance of gender racial or age discrimination Respond to the post of at least 2 others in the class

Crop name 1 Review the rules of the game 2 To launch the game go to http pbslm contrib s3 amazonaws com WGBH sust13 sust13 int cityfarm i Cost Surplus value Farm shares Soil health Water needs ndex html 3 Fill in the chart based on each plant s crop card click the information i button on each card to see the data for that crop Carrots Corn Lettuce Peppers Potatoes Straw Tomatoes berries 1 Greens Bush Beans What do you think is the most important factor in choosing which crops to grow From the list above

Short Answer Questions 14 List four human activities that are a source of environmental change on Earth 15 List example of renewable resources 16 List examples of nonrenewable resources 17 The first humans arrived in North America about 12 000 years ago How did their arrival affect the environment 18 List three factors that might contribute to desertification 9 What is the role of forests in an ecosystem

Using the learning resources complete the data table below Pollutant Coliform Bacteria Heavy Metals Nutrient Pollution Oxygen Depleting Pollution Persistent Organic Pollutants POPs Definition Answer Answer Answer Answer Answer Biodegradable matter consumed by decomposers Reduce oxygen level in the water Impacts Answer Neurotoxins affect the nervous systems of organisms Answer Answer Answer Answer Chemicals that do not degrade Bacteria from untreated human sewage and manure Accumulate within the environment leading to biomagnification and bioaccumulation Released by mining operations and through use of synthetic fertiliz Causes disease Promote algae overgrowth Nitrogen and phosphorous rich compounds

The graph below shows the global concentration of carbon dioxide in the atmosphere over Earth s recent history CO Concentration ppm all of these 400 380 360 340 320 300 280 260 L 1880 1900 1920 1940 1960 1980 2000 Year Data courtesy of NOAA Scientists agree that increased concentrations of carbon dioxide in Earth s atmosphere have caused global temperatures to rise over time Many species can only survive within a certain temperature range For this reason species that are unable to adapt to rising temperatures may eventually become extinct A solution designed to preserve Earth s biodiversity could include OA placing critically endangered species in climate controlled environments OB supporting natural and artificial processes that extract carbon dioxide from the air reducing the total amount of carbon dioxide entering the atmosphere OC On

hat would be the BEST formula to model the volume of a tree trunk A B volume of a cone volume of a triangular prism

Energy is transferred through an ecosystem beginning with the producers of the ecosystem In a balanced ecosystem how does the number of secondary consumers compare with the number of producers OA There are a lot fewer producers than there are secondary consumers OB There are a lot fewer secondary consumers than there are producers OC There is the same number of producers as there are secondary consumers OD There could be any number of secondary consumers or producers in a balanced ecosystem

crop Hint Use the information from the crop overview slideshow not just the summary of each Corn Switchgrass Miscanthus Native Grasses

A cladogram is shown below OB O C OD rat and toad salmon and rat Salmon owl and salmon Toad Lizard Owl Based on the cladogram which two species share the most recent common ancestor O A lizard and owl Egg shells Four Limbs Vertebrae Rat Amniotic egg Hair fur

Which group behavior is least likely to increase the chances of successful reproduction in salmon O A Selecting sheltered spawning areas O B Spawning in a large group C Releasing all eggs at the same time D Laying fewer eggs

plant eagle mouse snake Identify the correct food chain that demonstrates the energy flo this food web plant deer squirrel plant coyote snake coyote eagle plant grasshopper mouse snake

The maintenance of an organism s internal environment is called

Layers of soil that contain organic matter and are found in the horizons closest to the surface 1 Point Oleaching O topsoil

top predator carnivores herbivores producers Energy Top Predator In the energy pyramid below which organism has the least amoun of energy available Herbivores Carnivores Producers

cy What is another term for traits that a species helps them survive major changes in an ecosystem Disturbances Adaptation None of the above

Most of the water in the world is of what type OC Freshwater Saltwater

Question 8 Points 2 From the very beginning the Anti Federalists and Federalists argued over the scope of powers to be granted the Congress What were the Anti Federalists basic principals O They wanted a strong federal government O They wanted strong state governments with little federal interference They wanted a national bank that could take much of the power away from the federal government O They wanted Congress to dominate the three branches of the federal government Complete Later Complete 9

Question 5 Points 1 A charge levied by government on persons or property to raise money to meet public needs is called a toll O cost of living tax O tariff

estion 15 want to fight global warming by decreasing the fermenting bacterium phototrophic heterotroph

Tree Species Sequoia sempervirens Pinus ponderosa Magnolia acuminata Ulmus americana Pinus pseudostrobus Jan July Annual Climate Elevation Temp Temp Precip Impact on Range strong or weak 11 Which environmental variable impacts the largest number of tree species Use Your Critical Thinking Skills In one to two sentences explain why this environmental variable has the greatest impact 12 Use Your Critical Thinking Skills Some species have a very limited range Why do you think that is Explain your response in one to two sentences 13 Use Your Critical Thinking Skills If a tree species has a limited range how might that impact the ability of the tree to withstand changes to the environment such as climate

Check It Out Environmental Protection Agency Ecoregions The Environmental Protection Agency EPA has developed the ecoregions schema for organizing ecosystems They provide a detailed description and a series of maps One defining characteristic that they use is a nested approach where you can see the nation divided into a few general ecological areas with other tiers more and more detailed So check it out The United States Geological Survey USGS in partnership with several other commercial and non profit organizations developed the Ecological Land Unit classification schema This global project has defined multiple ecological characteristics based on a 250 meter grid These ecological characteristics include Bioclimate A description of the temperature and precipitation Land Cover The type of vegetation and how the land is being used Land Form The physiographic features the physical landscape Lithography the soil type or characteristic For several continents more specific details have been provided for each of these ecological characteristics In the following section you will explore the global ecological land units 1 What are the three different ways of classifying the biosphere Hint each method was discussed in the paragraphs above 2 What are the similarities among the three schemas 3 What are the main differences among the three schemas

a Justice Ob Nonmaleficence Oc Beneficience O d Respect for Autonomy ce in the creation of Advance Directives QUESTION 9 Davis was watching Kelly and Will play with a doll on the playground during recess at school Kelly and Will were kick the doll and throwing the doll They looked like they were having fun The next day at recess Davis found a different de to play with on the playground He began kicking the doll and throwing the doll around What theory supports Davis behavior patterns Oa Diffusion of Innovations Theory O b Uncertainty Reduction Theory O c Activation Model of Information Exposure O d Integratie Model of Behavior Change