All of the Following Events Can Trigger an Adaptive Radiation Except _____.

1. which   of the following trees depicts the aforementioned relationship amid species equally shown to a higher place?

   

2.  What does the circled function of the phylogenetic tree higher up betoken ?

   an adaptive radiation and rapid speciation.

3. Refer to figure 25.4  Male reproductive success , measured as the number of the offsrping surviving to adulthood (pupating), is found for 2 related protrude species and graphed in a higher place. which of these statements would you expect to be trueof sexual dimorphism in the two species?

   Species A should accept greater sexual dimorphism than species B.

4. For biologists studying a large flatworm population in the lab , which hardy - Weinberg condition is most difficult to meet ?

   No Mutation

5. For biologist studying a modest fish population in a lab , which hardy - Weinberg status is the easiest to run into?

   No gene catamenia

6. Wikelski and Romero (2003) found that large marine iguanas had higher reproductive success than smaller iguanas did. However , the big iguanas were generally in poor body condition considering they could not consume plenty ; at higher temperatures their foraging efficiency improved, allowing them to eat more than . Thus wikelski and Romero hypothesize that iguanas size will________ as global warming gradually increases air and water tempura tires in the Galápagos Islands .

   Increase

7. Currently, the only predators of Galapagos marine iguanas are the Galapagos hawks. Iguana body size is not correlated with the risk of militarist predation , although small iguanas can sprint faster than large iguanas . If predators (e.g. Cats ) that preferably catch and eat slower iguanas are introduced to the island , iguanas body size is likely to ________ to the absence of others factors; the iguanas would then be nether ________ selection.

   Decrease ; directional

8. Cystic fibrosis is a genetic disorder in homozygous human that typically crusade decease in the early thirty's . Over time , we would expect the f allele frequency to _________ for this trait .

   Decrease

9. Three spines stickleback fish (gasterosteues aculeatus) show substantial heritable variation in gill raker length . Fish caught in open water tend to take longer gill rakers and eat different foods than do those caught in the shallower water . Longer gill rakers appear to function better for capturing open h2o casualty. Which of the following types of selection is almost likely to be found in a big lake (open up water in the middle and shallow water around the sides ) with the high density of these fish ?

   Disruptive selection

10. A biologist doing a long term study on a wild spiders population observes increased variation in silk thickness . Which of the following could the spider pop. Be experiencing ?

    Disruptive Selection

11. In a small pop. Of alpine foxes , you observed increased ear length over a x year period . Tin you ended that increase in ear length is advantageous in this pop?

    No

12. Which of the following is the most anticipated event of increased cistron menses betwixt ii pop?

    Decreased genetic difference between the two pop .

13. Mutation is not but evolutionary mechanism that _______.

    Does little to change allele frequencies

14. In 1986 a nuclear power accident in Chernobyl , USSR (now Ukraine ) , led to high radiation levels for miles surrounding the institute. The high levels of radiations caused elevated mutation rates in the surviving organisms , and evolutionary biologist have been studying rodent pop. In the Chernobyl area e'er since. Based on your understanding of evolutionary mechanisms , which off the following near likely occurred in the rent pop . Following the accident ?

    Mutations led to increased genetic variations

15. Why doesn't inbreeding low by itself , cause evolution ?

    It does non modify the pop 's allele frequencies .

16. In some jacana species , males take care of the eggs and young , and females compete among themselves for territories that contain ane several males . Female jacana are significantly larger than males . Which of these statements would you predict to be true of this bird species ? ane.male jacanas fettle is primary limited past disability to accept intendance of eggs and heighten young .ii. Female person jacana fitness is limited by the number of males in her territories with which a female mates.3. Variations in reproductive success should be greater in male person jacana than in females .4.variations in reproductive success should be greater in female jacana than in males 5. Males and females accept equal variations in reproductive success .

    1,two&4

17. A rare species of newt is being studied past a young evolutionary biologist .she observes that females newt lay unusually big yolky eggs , but they abandon their nest a soon as the eggs are laid. Males , on the other hand , defend the territories around the nest and regularly bring the baby newts insects to feed on. The males also slumber with the babies to keep them warmer during the cool nights . Which of the post-obit statements is Most LIKELY to be truthful of these newt ?

    The males are finicky about which females to mate with.

18. The ii pop are ________

    A dissimilar subspecies under the morphospecies concept

19. Refer to the figure 26.1 "above which of the following forms a mono phyletic grouping ?

    E, f thousand They are all connected like a branches with leaves

20. The peppered moth provides a well known examples of natural selection. The calorie-free colored for of the moth was predominant in England before the industrial revolution . In the mid nineteenth century a nighttime colored grade appeared. The difference is produced by a dominant allele of i cistron . By about 1990 , approximately 90 % of the moth around industrial areas were dark colored . Whereas low-cal color moths were nevertheless withal abundant elsewhere . Manifestly , birds could readily discover the light moths against soot darkened background in industrial area and and at that place fore eating the calorie-free moths . Recently utilise of cleaner fuels has greatly reduced soot in the landscape , and the dark colored moths have been disappearing . Should the two forms of moths be considered divide species ?

    No

21. the snake family typhlopidae consist of pocket-sized , burrowing species with vestigial optics. They are found in Australia, sub-Saharan Africa , India and some side by side areas and South America . What is the most likely explanation for this distribution ?

    Origin on Gondwana followed past continent migrate and some range expansion

22. How are two different species most likely to evolve from one ancestral species ?

    Allopatrically , after the bequeathed species has split into two pop.

23. Which of the post-obit does not tend to promote speciation ?

    Gene period

24. Why is speciation past polyploidy more likely in plants than in animals ?

    Plants gametes tin can produced from somatic cells that have undergone rounds of mitosis.

25. Which of the following statements explains why animals are less likely than plants speciate past polyploidy ?

    Animals self fertilize less oft than plants ,and so diploid gametes are less probable to fuse.

26. If a plant species with 2n= 14 forms an all polyploid with a plants species with 2n= 18 , what would be the likely diploid (2n) number of the allopolyploid ?

    32

27. Two groups of lizards that have long been living in allopatry take recently been reintroduced in the wild . When members of opposite groups mate , the hybrids are almost always inviable . Which of the following could be expected to occur over the long term if the pop remain in sympatry?

    Behavioral forms of isolation will develop

28. The common edible frog of Europe is a hybrid betwixt two species , rana lessonae and rana riddibunda . The hybrid were first described in1758 and have a distribution , from France across Key Europe to Russian federation. Both male and female hybrids exist , but when they mate among themselves , they are rarely successful in producing offspring . What tin can you infer from this data ?

    Postzygotic isolation be between the two frog species

29. Ii species of tree frogs that live sympatrically in the northeastern United states of america differ in ploidy : hyla chrysocelis is diploid , and hyla veriscolor is tetraploid . The frogs are identical in appearances ; but their mating calls , which females use to find mates , differ. Which divergence about likely evolved get-go?

    Polyploidy

30. Imagine ii North American ground cricket species that contact each other every bit the southern species moves north during a menstruation of global warming . These two species do not mate much , due to differences I. Their courtship songs. The norton cricket doesn't seem to to late the warmer temperatures well but is limited in its ability to move n considering it does not normally disperse much. Bed on this information , which is the about probable outcome?

    Extinction of ane of the species .

31. The phonetic arroyo to estimating phylogenetic trees is almost like the approach of which species concept ?

    Morphospecies concept

32. Your professor wants yous to constructs a phylogenetic tree of orchids . She gives y'all tissue from vii orchid species and one lily . What is the most likely reason she gave you the lily .

    To serve as an outgroup

33. Which of the following argument best describes the rationale for applying the principle of parsimony in constructing phylogenetic trees?

    Similarity due to common beginnings should exist more common then similarity due to convergent evolution .

34. Which of the following argument is true about a phylogeny , represented by a phylogenetic tree ?

    None of the higher up answers are right .

35. Which listing of geological periods is in the correct order , from oldest to about recent ?

    Cambrian , Devonian , Permian , Cretaceous

36. You are the lucky student of wacky professor who develops a times automobile and he asks if you lot will test it with him . You become in and there's an immediate glitch - the date read out fails then that when you state you're not sure what era you're in . Your professor begins to panic , only yous see something that tells you , you're in the Cenozoic era. Which post-obit would that be ?

    A rabbit eating a daisy .

37. Which statement best describes why the Cambrian explosion was important ?

    Because in that location was an explosion in ecological diversity amid animals

38. Which of the following key adaptations is plant in many animals from the Burgess Shale fauna but not found in the doushantuo and ediacarans faunas ?

    Mouth parts

39. Which if the following likely has the most hox genes ?

    Dolphins

40. What is the thought to be the significance of the duplication of homeotic genes ?

    compared to jellyfish , the increased number of genes made evolution of more than circuitous body forms possible

41. All of the following events can trigger an adaptive radiation except

    A vicariance effect splitting the habitat

42. Islands are well known for having many endemic species -species that are uniques to that location . What is a likely explanation for this blueprint ?.

    Colonizer a meet fewer competitors on an island , and so they can diversify

43. What organism are most numerous earth ?

    Prokaryotes

44. What practice bacteria have in common with archaea but not with eukarya ?

    Absence of nucleus

45. While examining a stone surface , you lot accept discovered an interesting new organism . Which of the post-obit criteria will allow you to allocate the organism every bit belonging to leaner but not archaea or eukarya ?

    Cells wall are fabricated primarily of peptidoglycan

46. What is the goal of bioremediation ?

    Clean up areas polluted with toxic compounds by using leaner

47. Two pop of birds with somewhat dissimilar coloration live on opposite sides of a peninsula . The habitat between the pop is non suitable for these birds. When birds from the two pop are brought together , they produce immature whose appearance is in terminate between the two parents . These offspring a of these volition breed with each other or with birds from either parent pop and all offspring of these pairings announced intermediate to various degrees . What keeps the two pollution separate ?

    Spatial Isolation

48. The cladistic arroyo to estimating phylogenetic trees is most similar the arroyo of which species concept ?

    Phylogenetic species concept

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Source: https://freezingblue.com/flashcards/188915/preview/bio-106-exam-2