Ecology - Biodiversity & Conservation Questions and Answers

Which organisms are considered predators omnivores Odetritivores Oscavengers carnivores herbivores decomposers

Question 8 1 point di Listen In a population of organisms 40 is homozygous dominant and 30 is heterozygous What percentage of the population would be homozygous reces 30 40 2 30 40 a to tell from given information

2 Harmful rays given off when welding can give you what essentially amounts to a sunburn OA ultraviolet OB infrared OC visible spectrum D sub visible spectrum

The writer wants to edit the underlined portion of the paragraph below to eliminate a logical fallacy In many parts of the world clean water is more of a luxury than a right There is a whole section of town in Mumbai India that has no access to clean drinking water Mumbai is among the largest cities in the country so if they don t have clean drinking water then most people in India must lack access to it as well Something should be done to help the country maintain their water systems more effectively Which version of the text best accomplishes this goal 5 points As it is now In fact according to a 2017 study approximately 24 of the most impoverished areas of Mumbai do not have access to drinking water In fact Mumbai is not atypical when it comes to this inadequacy people say that most of the cities in the country lack safe drinking water many articles written about the lack of clean drinking water throughout the entire country and not just in Mumbai

Yellowstone National Park is an example of a n O biome population O ecosystem Obiosphere 4 of 4 QUESTIONS

Study the following diagram Fordney McCumber Tariff Isolationism Which of the following BEST completes the diagram Reasons why Britain and France had difficulty paying back the debt owed to America Reasons why Germany had difficulty paying back the debt owed to America O Reasons why Germany had difficulty paying back the debt owed to Britain and Franc

European Allies furious with Germany after WWI wanted a treaty that punished Germany and made them pay for the damage of the war O European nations rejected almost all of Wilson s ideas including setting up a League of Nations this became part of the Treaty of Versailles President Wilson didn t think that the Allies should punish Germany too harshly or make a land grab for German colonies

How many Southerners owned slaves by the middle of the nineteenth century most O half O very few one fourth

Biologists notice that a population of ferrets introduced into a reserve begins to show exponential growth The figures represent the population of the ferrets for the first four years after their introduction Which set of figures represents the exponential growth of the ferrets OA OB 50 92 90 95 O C 50 32 17 9 O D 50 95 59 97 50 88 145 227

Which of the following best describes changes related to the Arab Spring A B G global climate change increases of human rights violations challenges to Middle East dictatorships

A plant exhibiting thigmotropism will recoil when it is A responding to touch B responding to light C responding to gravity

A The is dominant in the cone bearing gymnosperms B

Thrashers males and females look alike only males sing elaborate songs Males acquire new phrases and elements for their songs each year and can eventually build up a significant vocal repertoire Females prefer males with large repertoires as mates In this case how might song repertoire be a signal for good genes in the males a large repertoire means the males are better listeners 0 a large repertoire means the males have been able to survive for longer periods of time 0 a large repertoire means the males have had a lot of offspring previously a large repertoire means the males have done a lot of traveling it could be any of these

Listen In red winged blackbirds males and females look very different The males establish and defend the breeding territories Female blackbirds choose the best territories to nest in and the male that comes with it As a result some males with good territories will have multiple females nesting there What type of selection pressure do you think male red winged blackbirds are facing the most Omale to male competition O female choice natural selection it could be any of these

Ochoose the tree with the fewest branch points base phylogenetic trees only on the fossil record as this provides the simplest explanation for evolution Ochoose the tree that assumes all evolutionary changes are equally probable O choose the tree in which the branch points are based on as many shared derived characters as possible choose the tree that represents the fewest evolutionary changes either in DNA nuences or morphology

Listen The common ancestor of all the species displayed in a phylogen it could be any of the above Onode of the tree O tip of the tree root of the tree

A scientist is studying two different species of fish The table below shows various observa tions that the scientist could have seen in the two different species of fish Observation Number A 1 B 2 3 observation 1 Genetic Similarity observation 2 high low low high Function of Structure different same different same Form of Structure same Which observation number would best support the claim that the two species have structural similarities specifically as a result of convergent evolution different same different

An ecologist is studying the changes in an ecosystem after the eruption of a volcano The ecologist returns to the area four times over the first year to make observations Which of the following would be the first pioneer species to be seen in the ecosystem af ter the volcano eruption A lichen B C shrubs birds

The use of certain fertilizers can result in high levels of phosphorus in water used in urban areas Which of the following is a possible negative side effect of excess phosphorus in water A B C higher rates of cellular respiration decrease of algae blooms increase of algae blooms resulting in a decrease of aquatic life

A high school student is taking an environmental science class For one assignment the student must go outside their house and observe the surrounding ecosystem The student walks outside and records the following observations It is a sunny day with few clouds in the sky St Augustine grass can be found throughout most of the yard with a few trees scattered around There are squirrels and birds located throughout the trees There is a weeping willow tree by a small pond The water inside the pond is muddy and no aquatic plants can be seen there Large stones and various rocks outline a garden in a section of the yard The soil of the garden is a dark brown color Inside the garden there are onions tomatoes and jalape os growing On the flower of one of the plants there is a butterfly Which of the following correctly identifies abiotic and biotic factors mentioned in the observations A B C D The trees and onions are biotic factors and the water and rocks are abiotic factors The sunlight and weeping willow are abiotic factors and the squirrels and butterfly are biotic factors The rocks and soil are biotic factors and the grass and birds are abiotic factors The squirrel and butterfly are biotic factors and the trees and water are abiotic factors

Recently the amount of carbon in the atmosphere has increased Which of the following human activities has directly caused the increase of carbon in the atmosphere A B C D planting trees in urban areas burning of fossil fuels an increase in the average lifespan technology advancements

A natural disaster would be classified as which of the following types of factors A density independent B density dependent C exponential

Some male Bird of Paradise are able to mate with many females while some only a few What does this tell you about the likely role of the male in raising young Males help protect the youngsters once they hatch Males will guard the nest of the females that they have mated with Males take little to no role in raising the young Popular males enlist the help of unpopular males to help them raise offspring

What is an environmental reason why male Birds of Paradise were able to get so fancy their population numbers were very low the habitats they lived in changed frequently the were no mammalian predators present food was scarce

Different species of hummingbirds compete for flower nectar in their ecosystem Flowers typically vary in the length of their petals however hummingbirds vary in the length of their beaks Hummingbirds demonstrate a preference for flowers that directly correspond to the length and shape of their beaks Species with beaks of similar length tend to occupy different areas Species that live in the same area tend to have beaks of different lengths and shapes Which of the following best explains the relationship between the various hummingbird species living in the same area A B C The hummingbirds have a mutualistic relationship with other species of hummingbirds due to natural selection The hummingbirds underwent niche partitioning due to competition The hummingbirds have a commensalistic relationship due to the variety of niches that are available

Several researchers worked together to determine the degree of relatedness of seven species of snakes All seven species of snake were found on Snake Island an island off the coast of Brazil in the Atlantic Ocean The researchers were able to isolate DNA from individ uals of each species and sequenced the mitochondrial gene that encodes cytochrome b The numbers of genetic differences between the seven snake species are shown in the ta ble below Species A Species B Species C Species D Species E Species F Species G Species A Species B Species C Species D Specles E A 36 B 41 40 40 45 49 25 Species F and Species B 23 Species E and Species D 19 24 28 co 8 A table showing genetic differences between species 10 19 19 6 19 21 Which of the following snake species are least closely related based on the data in the table above 15 17 Species F Species G

The change within Mormon doctrine from a requirement that believers must give all their earthly property to the church to a required tithe is an example of that religion s doctrine of continuous revelation flexible interpretation O Moral relativity O adaptive morality

reasoning to support your explanation Forest Succession Over Time In Six Stages Bare Rock Mosses Grasses Grasses Perennials Woody Pioneers Fast Growing Trees Climax Forest Disturbance Increase over Time Biodiversity Biomass Soil Layer 03

It was who first saw a virus using an electron microscope A Lister B Beijernik C Pasteur D Stanley

Which of the following would NOT be applied to the concept of biodiversity A genes B marine pH C species D ecosystem

refers to the biological and chemical processes such as energy flow needed for survival A Genetic biodiversity B Abiotic biodiversity C Species biodiversity D Functional biodiversity

IS Ecological biodiversity refers to the environments on earth including factors such as marine pH A sterility B biotic C genetic D abiotic

Quickly scan the photo what do you notice first Describe the objects and people you see in the image List the actions or activities List adjectives that describe the emotions portrayed in the photo What do you think is happening in the photo What questions could be posed based on the photo

POPULATION 3215 Time years A H B E C Z D K The dotted red line on the graph represents the carrying capacity of the population What letter is used to abbreviate carrying capacity

Question 11 This graph shows the population growth of deer on 20 acres of wooded area Number of Individuals A How would the carrying capacity change if someone built a house on that same area B C Carrying capacity D Time The carrying capacity would decrease because there is now less living space available for the deer The carrying capacity would increase because the humans still provide additional food for the deer The carrying capacity would first decrease during the building of the house but may incre again when the construction is complete The carrying capacity would not be affected because the term carrying capacity only relat

The grains used to make bread are grown here Trees in this forest bear cones with seeds Animals here are mostly nocturnal because of the high daytime temperatures Trees in this forest lose their leaves every winter Prairies plains and savannas are different types of these You can take a picture with saguaro cacti here Where you would go to hunt moose Most of North America is this If you are in Central Australia you are likely to be in this IIIIIIII

Question U Mortality is lowest during the young stages for O type I survivorship curve O type IV O type III O type II

increases air in the soil and its ability to 1 Point 14 Obecome part of the C horizon O drain water

Question 6 The principle of competitive exclusion can be restated in terms of niche as no two species can occupy the same niche O when two species compete each will exclude the other O no two species can survive if they compete with each other competition is excluded when species occupy the same niche

Soils usually develops warm wet areas and dry areas 1 Point O faster slower O slower faster 7 Tap water is regulated under the 1 Point Water Rights Act O Environmental Protection Agency O United Nations in in cold Clean River Act

The Horizon is the top layer of the soil made of living and slightly decomposed organic matter 1 Point SOIL LAYERS O HORIZON Surface Litter A HORIZON Topsoil E HORIZON Zone of leaching B HORIZON Subsoil C HORIZON parent material BEDROCK A O E

This is not part of the soil and acts as a foundation It is hard consolidated rocks and stones and practically impenetrable 1 Point SOIL LAYERS O HORIZON Surface Litter A HORIZON Topsoil E HORIZON Zone of leaching B HORIZON Subsoil C HORIZON parent material BEDROCK O A O E O B

A from of reserachers floor to study Seamed and Fungi which zone are thy going to exploR 7 ONY M

23 Old Giant Sequoia trees attempt to outcompeting their competitors for sunlight by up to how many pounds of supporting tissue A 10 00 pounds B 50 thousand pounds C 1 million pounds D 4 million pounds

Which of the following is true of the Iroquois O They were cannibals They were matrilineal O They were nomadic hunters O They were exceptionally warlike

In Natural Selection to be considered fit organisms must 1 Point be bigger and stronger be able to live for a very long time O survive and reproduce be faster than other organisms 15 When two populations of the same species are divided physically and no longer able to get to one another it is known as 1 Point fitness O geographic isolation O competition gene flow

There is a berry on an island that is easily accessible to many kinds of organisms The berries attract iguanas and birds and while the berries are produced year round there is a lot of competition for the berries What do you predict 1 Point The birds and iguanas will stop eating berries Natural variations in birds and iguanas will allow them to eat other food sources where there is less competition Perhaps new species will arise The birds and iguanas will always have plenty of berries to eat and the berry population explode

tortoises are different on every island This is because 1 Point nature has selected for the shell shape that best al lows the tortoises to find food and forage on each is land the tortoises do not have a common ancestor the tortoise shells bend easily and can be changed

ents will design an infor Biome specific information precip temp Fauna Flora Foodweb fiyer about one sepcific bio Climatograph of biome

20 A tasty nonpoisonous insect that mimics the colour of a poisonous insect is using which defense mechanism a Batesian mimicry b body colouration c camouflage d M llerian mimicry e warning colouration 21 In which of these relationships do both partners benefit a commensalism b interspecific c mutualism d parasitism e Predation 22 Which is not a good indirect indicator for estimating the relative density of bears in an area a tracks b clumps of hair c claw marks d carcasses agent