10 Which of the following would be a case of evolutionary migration (gene flow)? A. Warblers of a single population breed in North America and spend winters in South America. B. A male warbler moves from his natal population to a new population and finds a mate. C. A male warbler moves from his natal population to a new population and does not find a mate. D. Answers A and B, but not C. E. Answers A, B, and C.
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- 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 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…Natural selection favored dark-colored fur in the rock pocket mouse. The selective force on the mouse population was ________. 1 - Predators 2 - Genetic mutations 3 - Rock color 4 - Availability of food for the rock pocket mice a) 1 only b) 1 and 3 c) 2 and 3 d) 1, 3 and 4In which situation will populations experience gene flow? A)hybridization between two populations of ground beetles B)natural-selection pressures between two populations of dragonflies C)mate competition between two populations of red-legged grasshoppers D)intersecting migration routes between two populations of monarch butterflies
- Which of the following best states a condition which promotes natural selection of a species? A)One baby albino alligator, from a nest of 20 eggs, hatches in the Florida Everglades. B)The population of moths in a forest increased from 100 to 150 members. C)An ocean ecosystem consists of more algae than fish species. D)A female cat has a litter of 5 kittens instead of 6.If reinforcement is weak and hybrids are not completely infertile, a. genetic divergence between populations may be overcome by gene flow. b. speciation will occur 100% of the time. c. gene flow between populations will be impossible. d. the speciation will be more likely than if hybrids were completely infertile.Which is an example of directional selection after several generations on an island population from an original population that had an equal number of individuals with thin, moderate, and thick sized legs? A. Anolis lizards that have evolved thinner legs b. Anolis lizards that have evolved thin and thick legs c. Anolis lizards that have evolved moderate sized legs d. All of the above E. none of the above
- 8) Darwin's finches are often used to illustrate evolution. Evaluate the finch beaks shown in the picture. Choose ALL of the statements that correctly explain the evolution of finch beaks. A) As the environment changed, the finches grew longer beaks to allow them to get food out of fruits. Eliminate B) Finches with longer beaks settled on the same island with smaller beaked birds. Over time, they bred, producing medium beaked birds that became more common in the population. C) There are finches with different types of beaks in the population. During a drought, those with shorter beaks are not able to find sufficient food and die, leaving them unable to reproduce and pass the trait on to offspring. D) A random mutation introduced the shorter, thicker beak into the population. However, those with thinner, longer beaks were better able to get nectar from the island's flowers. Those birds with the shorter, thicker beaks were unable to get enough food to survive.…Why did dark-colored rock pocket mice first appear in a population of light-colored rock pocket mice? Group of answer choices A. The rock pocket mice have a mutation in a gene that leads to the dark fur color. B. Individuals change color to blend in with the environment C. Predators eat light-colored rock pocket mice. D. There is dark lava rock in the area where they live E. All of the answers are correct F. None of the answers are correctWhich of the following is microevolution? A. The average wing length of a single population of pigeons living in New York City decreased over a period of 150 years b. the growth and wing-size of a single population of Florida Jaybirds originally living in Destin, Florida has steadily declined and decreased over 25 years C. A woman's leg muscles increase in strength and bulk after he starts working out D. A and B
- please help with these two questions:Microevolution is best defined as which of the following? a. The transfer of genes between different species. b. The associations between traits between different species. c. The evolution of populations within a single species. d. Evolution above the species level. Evolutionary changes in beak size of Galapagos finches is associated with changes in which of these other traits? a. Bird migration b. Bird leg length c. Bird song d. Bird flightScientists are studying two populations of the same species of sea turtle. One population is quite small, with only 18 individuals, and the other is much larger, with 147 individuals. If a genetic factor such as a mutation were introduced to both populations at the same time, what could scientists predict about the impact?1.A small group of turtles float on a log to an island and establish a new population there. How do you expect the genetic diversity of the island turtles to compare to genetic diversity of the mainland turtle population they originated from? Group of answer choices A. Genetic diversity should be similar, since they are the same species. B. Genetic diversity should be higher for the island turtles, because the new environment will produce new alleles. C. Genetic diversity should be lower for the island turtles, since the island turtles represent a small sample of the genetic diversity from the mainland turtles. 2.If the probability of a turtle having a brown shell is 3/4 and the probability of a turtle having a bumpy shell is 1/4, what is the probability of a turtle that has a shell that is both brown andbumpy? Group of answer choices A. 3/16 B. 3/8 C. 3/4 D. 1/2 3. A Drosophila gene is on the X chromosome, and recessive mutations in this gene cause white eye color…