Biology question and answers for October 14, 2023
- Q Different species of bumblebee compete for flower nectar in their ecosystem. While the flowers vary in the length of their petals, bumblebees vary in the length of a mouth part...
- Q A fish population of 250 in a pond has a maximum annual rate of increase of 0.8.If the carrying capacity of the pond is 1,500 for this species, what is...
- Q Which of the following is a description of a resource that belongs to a country with a high carrying capacity?A. Food is brought in from other places.B. Homes are small...
- Q The American bullfrog is native to much of the eastern United States. This species hassuccessfully begun to spread west as an invasive species. It is thriving in the western UnitedStates...
- Q A small population of black-footed ferrets has the same positive intrinsic rate of increase (r) as a large population. If everything else is equal,which statement about these populations is true?The...
- Q A population's per capita birth rate is 1.02 and its per capita death rate is 0.8. Assuming constant per capita birth and death rates, how long will it take for...
- Q If every individual occupies 2 units of space, how long will it take for a population of 100 individuals to use up all the space when there are 1000 units...
- Q Select the factors that determine a population's intrinsic (optimal conditions) rate of increase.DensityLife historyDispersionCarrying capacityPer capita birth rate and death rates
- Q Which of the following is a difference between logistic and exponential growth?Both are affected by density but logistic growth is slower.Only logistic growth reflects density-dependent effects on births or deaths.Exponential...
- Q Would you expect a population in which most members survive for a long time to produce few or many offspring? Which would be the most advantageous to the population as...
- Q Suppose a human population exhibits a Type III survival curve. (look at your notes) What would you expect to happen to the curve over time if a dramatic improvement in...
- Q A. Differential ReproductionB. OverproductionC. Struggle to SurviveD. Genetic VariationWhich part of natural selection (see choices above) is described by the following sentence:Within a population, individuals have different traits.
- Q The doubling period of a bacterial population is 15 minutes. At time t=110 minutes, the bacterial population was 80000.What was the initial population at time t = 0?Find the size...
- Q What factor (listed below) contributes to population growth?deathspredationemigrationimmigration
- Q Prokaryotic organisms are most vulnerable to antibiotics during which phase of the bacterial growth curve. Explain why are they most vulnerable at this phase.For the toolbar, press ALT+F10 (PC) or...
- Q What are the parts of the Declaration of Independence? Use the slides presentation and the information given in class. Briefly explain each part, but wait until we go over them...
- Q Directions Answer each question on the lines. Use complete sentences.9. What is pollen? ___10. How do animals help some plants disperse their seeds? ___11. Name two types of symbiosis. ___12....
- Q Did humans make stone tools that were 2.6 million years old?Scientists have not found stone tools that are that old.No, you can go to the fossil record and find that...
- Q Even though America declared neutrality, they still showed favor toward the Allies due to...a similarities of language, government as England.b Britain bribing America to side with the Allies.c favoring the...
- Q The frequency of a disease is 30/1000. This is a disease that follows a dominant/recessive pattern of inheritance on one gene (where the only affected individuals are all homozygous recessive)....
- Q It is said that the human population of the earth is in an exponential phase ofgrowth. Which of the following statements would be true?the earth can sustain this growth indefinitelytoxic...
- Q Ari is using _____ in his speech when he shows the strength of his examples by using aphrase like, "One case that supports my claim is . . ."deductive reasoninginductive...
- Q Choose the correct pronoun to fill in the blank.Vanessa is so conceited! She does not think her friend is as beautiful as __ is. herhersshe
- Q Which following features would you expect to see in the flowers of humming birds pollinated plants?a. very simples tiny flowers procticing massive amount of pollenb. flowers that smells and look...
- Q Why is it important?Biodiversity: Over 80% of the world's terrestrial biodiversity can be found in forestsSustainable livelihoods: Healthy forests support the livelihoods of 1.6 billion peopleglobally, one billion of whom...
- Q Which natural resource became more available to the American public as a result of railroad expansion?natural gaswoodcoalwater
- Q A population of 250 birds inhabit the canopy of a tropical rain forest that has a carrying capacity of 400 birds.What is the maximum population growth rate if the population...
- Q High testosterone is often associated with shorter lifespan in mammals. However, you find a new species of mouse in which males live longer than females under field conditions. Which of...
- Q According to EPA guidelines, solid waste LEGALLY can be found in all of the following states of matter EXCEPT _______.A. solidB. liquidC. gasD. plasma
- Q Mammals have lungs that have millions of alveoli that increase the surface availablefor gas exchangeTwo species utilizing the same food source is an example of interferencecompetitionParasitism provides nutrients for the...
- Q Indonesia is the fourth most populous country in the world. It is an island nation in southeastAsia. Half of the population lives on the largest island, Java, while the other...
- Q Two plant species live in the same biome but on different continents. Although thetwo species are not at all closely related, they may appear quite similar as a result ofparallel...
- Q Dwarf mistletoes are flowering plants that grow on certain forest trees. They obtainnutrients and water from the vascular tissues of the trees. The trees derive no knownbenefits from the dwarf...
- Q Which of the following assumptions have to be made regarding the capture-recapture estimate of population size?I. Marked and unmarked individuals have the same probability of being trapped.II. The marked individuals...
- Q Which of the following are important biotic factors that can affect the structure andorganization of biological communities?precipitation, windnutrient availability, soil pHlight intensity, seasonalitypredation, competitiontemperature, water
- Q A broad-based, pyramid-shaped age structure diagram is characteristic of a population that isgrowing rapidlyat carrying capacityshrinkingstable
- Q In the near future, the human population is predicted to... Decrease worldwide due to limited resources Increase in all countries Decrease in most, but not all, more-developed countries and stabilize...
- Q Fire ants have a powerful venom that is deadly tothe small animals they eat. The deadly venom hasreduced the populations of birds who build nestson the ground.Source: http://www.sbs.utexas.edu/fireant/The relationship between...
- Q Ecosystem ecology is best described as the study ofthe abiotic factors that exist in a particular areathe array of interacting species within a community.a mosaic of related ecosystems in a...
- Q Which one of these is an example of a microclimate? CHOOSE ALL THAT MIGHT APPLYWarm and sunny over the continent of AustraliaThe average global temperatureSunny along the coast of Santa...
- Q You awaken to find yourself lying on the bare ground, dirty and injured. In the dim light, you can make out wreckage around you and surmise that you have survived...
- Q In Section 6 of his writing on "Nature," Ralph Waldo Emerson expresses his belief in the healing power of nature: A. "I feel that nothing can befall me...,--no disgrace, no...
- Q Read the following sentence and then define the underlined word."According to the Malleus Maleficarum, a comprehensive witch-hunting guide published in 1486,judges at witchcraft trials should take precautions against being bewitched...
- Q Complete this sentence correctly:Arrows in a food webO always point up.O always point in the direction the energy is coming from.O always point in the direction the energy is going.O...
- Q Match these relationships with the correct definition.one organism benefits while the other is harmedboth organisms benefitone organism benefits while the other is consumed for foodone organism gains while the other...
- Q Sunscreen and beach towels are complementary goods. If the price of sunscreen increases, ceteris paribus,the income of consumers will decreasethe quantity demanded of beach towels will decrease for every possible...
- Q A restaurant produces 250 meals per day with five employees. After hiring an additional employee, the restaurant now produces 260 meals per day. Calculate the marginal product of labor. 2260105/3
- Q Predict the most likely outcome if secondary consumers were eliminated from a food web (choose all the correct answers). the producers would go extinct the primary consumers would relocate to...
- Q Complete this sentence:Mutualism is different from commensalism becauseone organism does not benefit with commensalism.one organism does not benefit with mutualism.both organisms benefit with commensalism.one organism is harmed with commensalism.
- Q PART A: Which of the following best describes Terrance Powderly's main argument for converting to an eight-hour work day?A. Reducing hours will overall improve the physical lives of the laborers,...
- Q How do employees differ from employers when it comes to labor hours?A. Employers typically work more hours because they are running and managing the business.B. Employees are the workers; employers...
- Q Population A has a per capita birth rate, b = 0.8 and a per capita death rate, d = 0.1.Population B has a per capita birth rate, b = 0.7...
- Q In a study of heart rate in ocean - diving birds, researchers harnessed 10 randomly sampled, wild - caught cormorants to a laboratory contraption that monitored vitals signs. Each cormorant...
- Q When a populations size is below the carrying capacity of the environment then the per capita birth rate will increase when compared to the population at the carrying capacity. the...
- Q Because the Pacific salmon makes such an arduous journey up many kilometres of treacherous river, it is expected that theywould carefully nuture the precious offspring that they create.would be able...
- Q You have been studying a population of squirrels over the past year. 50 squirrels have been born and 24 squirrels have died. What is the approximate change in population size...
- Q A population of foxes inhabits a small forest. The size of the population is currently below the forest's carrying capacity for the foxes. Which factor could cause an increase in...
- Q Pistol shrimps and gobies depend on each other for their shelter and protection, and they have a beneficial relationship with each other. What's this symbiotic relation called?A. mutualismB.commensalismC. facultative parasitismD.obligate...
- Q A particular population of chickens has a frequency for the dominant allele as 0.70 and a frequency for the recessive allele as 0.30. Which expression is the correct way to...
- Q Identify the precise word in the following quotation taken from, "Petrarch's Plague" by Paula Findlen. "He fretted that "the contagiousness of the recurring plague as well as the unhealthy air"...
- Q A health coach tested the effectiveness of a new behavioral therapy for weight loss among college students. A sample of n = 36 college students participated in the study and...
- Q All of the following are examples of limiting factors in an ecosystem exceptSpaceFoodPopulation densityWater
- Q What evidence can we use to support the hypothesis that lactase persistence due to a mutation in the lactase gene has been favoured by natural selection?The mutation observed in African...
- Q A botanist discovers what she thinks may be a new species of asexual wildflower growing in theChocolate Mountains in the deserts of CA. Which of the following species concepts would...
- Q Which of the following populations is likely evolving, based on the Hardy-Weinberg Equilibrium? Select all that apply.A small population that has split from, and moved away from their larger origin...
- Q In the western United States, pronghorn antelopes and domestic cattle often associate with one another in the same open rangeland. In a hypothetical situation, a certain species of flea originally...
- Q A population started with 100 individuals. Over a year, population data were collected. Calculate birth rates, death rates, and net migration rate, and use your equation to calculate the rate...
- Q Two species cannot occupy the same niche in a habitat. This is referred toas the population interaction principlecommunity inclusion principleinteractive niche principlecompetitive exclusion principle
- Q Suppose that this population of mice has stabilized so that both white and brown appear. Whitemice survive better in the winter and brown mice survive better in the warmer months....
- Q Natural selection has a role in organismal adaptations that are specific to their habitats.TrueFalse
- Q Grasses and fungi can engage in an obligate mutualism, which mathematically lead to the expectation that the two partners to run toward infinity. What are some factors that in nature...
- Q Oxpeckers, a type of bird, land on the backs of rhinos. They do this to eat the ticks of of their skin. The oxpeckers get a nutritious meal, while the...
- Q Which of the following groups is (are) absolutely essential to functioning of an ecosystem?a. producersb. producers and herbivoresc. producers, herbivores, and carnivoresd. producers and decomposers
- Q In cold temperatures...Choose all that applyThe metabolic rate of an endotherm risesThe metabolic rate of an endotherm fallsThe metabolic rate of an ectotherm fallsThe metabolic rate of an ectotherm rises
- Q Which of the following is incorrect with regards to homeostasisIt is a physiological state of physical and chemical conditionsIt is highly regulated by various processes to keep the body in...
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