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- Which of the following could be an example of microevolution? a. a slight change in a bird populations color due to a smallgenetic change in the population b. large differences between fossils found near the groundsurface and those found in deep rock layers c. the sudden disappearance of an entire genus d. the direct evolutionary link between living primates andhumans e. a flood that drowns all members of a population16. Tamaraw has been in the critically endangered list since the year 2000. One of the reasons is the habitat destruction that forced them to move further inland into the thick forest. Which of the following factors affect the population of the tamaraw? * A. disease and parasites B. emigration C. predation D. competition for resources 17. What conservation status is referred when there is no reasonable doubt that the last individual has died such as to what happen to the Saber-toothed tiger and Dodo? * A. Endangered B. Extinct C. Vulnerable D. Critically endangered18. Black billed finch and the speckled pigeon compete for similar food resources in central Africa. Which of the following habitat characteristics would promote coexistence. a. resources in the habitat are limited b. finch and pigeon populations are near carrying capacity c. the habitat displays strong seasonal variation d. finch and pigeon population densities are high e. the habitat has little seasonal variation
- 6 The following question has two parts. First, answer Part A. Then, answer Part B. Part A: Which statement is a valid analysis about bison movement and the carrying capacity of Yellowstone National Park? A. The decrease in the northern herd's population is explained by its inability to migrate and the park's decreasing carrying capacity. B. The fact that bison only migrate in years of deep snow indicates that they have exceeded the park's carrying capacity. C. The carrying capacity for other animals found in Yellowstone has increased due to the bison's migration outside of the park. D. The movement of bison beyond park boundaries is not due to the bison population being too large for the park's carrying capacity. Part B: Which selection from the text provides evidence that directly supports this analysis? A. They move to lower elevation ranges during the winter months in response to snow accumulation and snowpack…1. According to the theory of island biogeography, which island will have the highest immigration rate? 2. Why? (one sentence) 3. Which island will have the highest extinction rate? 4. Why? 5. If the birds disperse between the islands, then this archipelago would be considered a ____1. What is the term describing the process that occurs when a species evolves into a new species with a physical barrier separating populations? a adaptive radiation . geographic isolation b. coevolution c. Geographic isolation d. Mutation
- 1. The effect of environmental stochasticity _______________. A) is the result of genetic drift. B) is measured by gamma. C) is greater in small populations. D) is the result of density-dependent effects. 2.Which of the following is NOT a characteristic that increases the risk of extinction? A) Habitat specialization. B) Large body size. C) Core species in a core-satellite community. D) High reproductive rate.The main arguments against the overkill hypothesis of megafauna extinction are a. Lots of species other than megafauna went extinct b. Rapid climate change destroyed the habitat that the megafauna depended on c. Many megafauna in North America went extinct before humans arrived d. All of the above4.) Mang Berto breeds white mice in a cage. After a few generations, the breeder observes that the white mice are more aggressive towards each other, the young are less healthy, and more young white mice die. What do you think will happen to the population of white mice? a.) The population is not affected. b.) The population will remain the same. c.) The population will decrease. d.) The population will increase 5.) South Cotabato is known for its wide variety of fruits and other plant species that makes it really attractive to tourists. Which of the following classification of biodiversity value is described? a.) Direct economic value b.) Indirect economic value c.) Ethical/ cultural d.) both B and C 9.) If the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population? a.) It will fluctuate. d.) It will increase. c.) It will stay the same. d.) It will decrease. 10.) Refers to the number of…
- Arguments in favor of the overkill hypothesis of megafauna extinctions are a. Basically everywhere humans colonized, big animals went extinct b. Climate change similar to the end of the Pleistocene happened many times before, and there was no megafauna extinction c. In nearly all the Clovis kill sites in North America, mammoth or other megafauna are present d. All of the above9) This chart shows the beak length of a population of finches in the Galapagos. The island was faced with a five year drought that made it difficult for birds to get water. If natural selection occurs, how would you predict the bird beak lengths to change? A) Only those with shorter beaks would survive. B) The population would not really change much. C) Only those with the longest beaks would survive. D) Those with medium-long beaks would increase most. Not Graded1.) A Large group of organisms that are related, share common characteristics and are capable of interbreeding. a.) Adaptation b.) species c.) Habitat d.) Epidemics 2.) When a population grows past the ecosystem's carrying capacity, what happens to the population? a.) It starts to die off to return to carrying capacity b.) It continues to grow c.) It grows then finds a new carrying capacity d.) It will go extinct due to lack of resources 3.) Why would advances in medicine lead to population growth? a.) Treatment of deadly diseases allows people to live longer. b.) People are unable to have babies without medical help. c.) Babies do not grow if they don't take their medicines. d.) Drugs allow mothers to have multiple births, like octuplets. 4.) Mang Berto breeds white mice in a cage. After a few generations, the breeder observes that the white mice are more aggressive towards each other, the young are less healthy, and more young white mice die. What do you think will…
