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A set of questions and answers related to the Galapagos Islands and the species found there. It covers topics such as the unique characteristics of the Galapagos, the creatures that inhabit the islands, and the impact of environmental factors on the evolution of species. The document also explores concepts such as natural and sexual selection, disruptive selection, and speciation. The questions are designed to test the reader's knowledge of these topics and provide insights into the complex processes that shape the natural world.
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๏ Which of the following statements about the Galapagos are true? - โ๏ธโ๏ธ The Galapagos are a group of islands in the Pacific Ocean. ๏ For much of their history, the Galapagos Islands were not significantly influenced by human interaction ๏ Select some of the creatures you'd find in the Galapagos. - โ๏ธโ๏ธ everything but monkey ๏ observations - โ๏ธโ๏ธ they have a unique shell. their population is in critical condition. ๏ Often has a white body and eats marine life. ๏ It lives in dry forest. It eats the eggs of seas birds and flesh of dead animals. ๏ observations - โ๏ธโ๏ธ live near the slopes of volcanoes and have a unique shell. ๏ Lives off the coast and eats marine organisms. ๏ Only eats fruits and fetuses, eggs, and baby turtles. ๏ Observation pt. 3 - โ๏ธโ๏ธ An endangered species because of the destruction of their nests. ๏ Preys on squid and fish. It also is found on the eastern island. ๏ Gathers energy by eating berries and crickets. Only found in the Galapagos. o โ๏ธโ๏ธ I think these factors caused a difference because the animals had to adapt to things in order to survive.
๏ Read the info icons and select which of the cases below shows two different species. Select all that apply. - โ๏ธโ๏ธ lion ๏ cricket ๏ View the images below to see if the boobies on the different islands are different species. - โ๏ธโ๏ธ Yes, they are different species because they do not mate with each other. ๏ Which of the following best describes the beak size of the finches on Daphne Major? - โ๏ธโ๏ธ Most have average-sized beaks (Around 10mm). ๏ Your challenge is to create a population of finches where 80% have large beaks (greater than 10mm) in less than 100 generations. - โ๏ธโ๏ธ drought ๏ Does changing the average rainfall on the island seem to have an effect on the traits of the population? ๏ What trait is being affected by the change in rainfall? - โ๏ธโ๏ธ yes ๏ beak size ๏ Which statement best explains why lower rainfall favors finches with larger beaks? - โ๏ธโ๏ธ Large-beaked finches are able to eat the large seeds that are more common in times of drought (little rainfall). ๏ Select which graph shows the beak size of finches (shown on the x-axis) getting larger over time. - โ๏ธโ๏ธ first graph ๏ Which of following best describes directional selection: - โ๏ธโ๏ธ One direction or extreme of the trait is favored (very large OR very small beak-depths). ๏ Which of the following demonstrates descent with modification? - โ๏ธโ๏ธ Two purebred red ladybugs give birth to a white lady bug
๏ Which criteria for speciation do the finches on your island need to meet to be classified as a different species? - โ๏ธโ๏ธ They are not attracted to each other ie. they choose to not mate with each other. ๏ Which of the following is true of natural selection? - โ๏ธโ๏ธ Traits that lead to a greater chance of survival and reproduction are favored by the pressures of natural selection. ๏ What does the case of seed availability and natural selection tell us about how diversity might have emerged on the Galapagos? - โ๏ธโ๏ธ Different islands may have had different food sources that required different physical structures to eat, giving those finches with favorable physical traits an advantage.These "favored" individuals developed into a new species. ๏ Match the series of events that can lead to the emergence of a new species. - โ๏ธโ๏ธ Bottom of the arrow: ๏ changes occur in the climate and rainfall decreases ๏ Next:the size of seed available on the island changes ๏ Next:The pressure of natural selection is exerted on individuals that do not have favorable traits ๏ Next:Favorable traits become more common ๏ Next:Birds with the more favorable trait may become a new species ๏ These pressures favor some individuals over others. But there are other forms of selection that can give one sector of the population an advantage over the other. Take a look! - โ๏ธโ๏ธ dog ๏ Select which of the following is/are example(s) of artificial selection. Click on each of the letters to read more about each image. - โ๏ธโ๏ธ husky and broc
๏ Natural selection can come in the form of various pressures exerted by an organism's environment (a selective disease, predators with selective tastes, a switch in the primary food source or the environment, etc.). These pressures favor some individuals over others. But there are other forms of selection that can give one sector of the population an advantage over the other. Take a look! - โ๏ธโ๏ธ peacock ๏ Select which of the following is/are example(s) of sexual selection. Click on each of the letters to read more about each image. - โ๏ธโ๏ธ bird and elk o โ๏ธโ๏ธ Sexual Selection:1. Bright colors of male ducks attract potential mates ๏ Natural Selection:1. The pale soil of Nebraska makes darker deer mice more easily visible to predators.2. After the short plant died due to infection, only tall deer could reach the higher plant ๏ Artificial Selection:1. Kale was created from a wild mustard plant after years of selective breeding2. After years of selection, wild boars have become pigs raised by many farmers today ๏ Find out how you can use sexual selection to create a population where 80% of finches have large bodies in 30 generations. - โ๏ธโ๏ธ very selective mate preference ๏ Predict how increasing the rate of predation will affect the population of finches. - โ๏ธโ๏ธ It will speed up trait shifts. ๏ What is the most effective way to make the population of finches go extinct on the Island? - โ๏ธโ๏ธ Predation Rate:Increase ๏ Rainfall:No effect ๏ Mate Preference:No effect ๏ Was your hypothesis about increasing the predation rate correct? You said: "It will speed up trait shifts." - โ๏ธโ๏ธ Yes, the outcomes in my simulation support my hypothesis.
๏ Which of following best describes disruptive selection? Check all that apply. - โ๏ธโ๏ธ The average version of the trait is not favored. ๏ Both extremes of the trait are favored (very large AND very small beaks). ๏ table - โ๏ธโ๏ธ First arrow:small beak bird ๏ mushrooms ๏ Second arrow:large beak bird cactus ๏ Which birds are favored by the introduction of cacti and insects on the island? Check all that apply. - โ๏ธโ๏ธ The large-beaked finches ๏ The small-beaked finches ๏ sort - โ๏ธโ๏ธ 1. all fish have yellow color ๏ 2. by chance a number of offsprings ๏ 3. blue bodied fish choose to mate ๏ 4.After generation of sexual selections ๏ 5.blue fish can no longer mate with yellow fish ๏ 6.END SYMPATRIC ๏ What is the divide isolating the bird population on Isabela - โ๏ธโ๏ธ C. A mountain range ๏ What do you predict will happen once a mountain range separates two populations of this bird? - โ๏ธโ๏ธ The birds will develop new traits to become adapted to their new environments.
๏ Which best summarizes what happened to the traits on each side of the island after 100 generations? - โ๏ธโ๏ธ Beak depth changes from average size to favoring large beaks on one side and small beaks on the other side of the island. ๏ Was your hypothesis regarding the traits of the birds after separation supported by your observations? You said: " The birds will develop new traits to become adapted to their new environments." - โ๏ธโ๏ธ yes ๏ Why did different traits emerge in the two populations of finches separated by the mountain range? - โ๏ธโ๏ธ Both populations were affected by a pressure of natural selection to adapt to a new food source. ๏ Based on what you've learned about allopatric speciation, what has to happen before allopatric speciation can take place? - โ๏ธโ๏ธ 1. one population of organism exist ๏ 2. a geographic barrier exist ๏ 3. original population splits ๏ 4.selection factors cause both ๏ trait in each population change ๏ member of each population are no longer able to produce offsprings ๏ ALLOPATRIC SPECIATION ๏ Which of the following is true about sympatric and allopatric speciation? - โ๏ธโ๏ธ Both allopatric and sympatric speciation can result in the development of new species. ๏ Either sympatric or allopatric speciation can use the pressure of natural selection as part of its speciation process.