5. Sympatric speciation occurs when the formations of new species happen in the same geographic area. enl equon onaries that developed from reproductive HOvented from
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- An animal breeder, attempting to cross a llama with an alpaca for finer wool, found that the hybrid offspring rarely lived more than a few weeks. This outcome probably resulted from: a. genetic drift. b. prezygotic reproductive isolation. c. postzygotic reproductive isolation. d. sympatric speciation. e. polyploidy.33. Sympatric speciation differs from allopatric speciation in that sympatric speciation Group of answer choices is far more common than allopatric speciation requires geographic isolation in order to occur does not involve geographic isolation involves a reduction in gene flow between discrete groups of individuals belonging to the same species4. How is the length of time for speciation estimated? O time it takes for speciation to be complete genetic evidence indicates that species originate O time that elapses when populations of a newly formed species diverge O speciation precedes divergence
- Vertical 11 1. Involves the formation of new species from pre-existing species. 8 3. Group of organisms that are capable of producing viable and fertile offspring 5. A mechanism that keeps species from mating with other. 7. it means "beside" 13 9. offspring of parents that differ in genetically determined traits. 12 11. Incapable of producing offspring 13. In temporal or seasonal isolation the reproduction is prevented by 10 15 14 Horlzontal 2. The role or the organism in the environment 4. It means "Place" 6. _itself is not only the mechanism of change overtime but it reduce the gene flow 8. Prevents the Fertilization of the eggs 10. An isolation wherein there's a differences in reproductive organs prevent successful Interbreeding. 12. It means "near" 14. Prevents the formation of fertile offspring 15. Formation of new species from the hybridization of 2 different species1. Describe the conditions in order for natural selection to occul. neproduction, heredity, variation in fitness or Organisms, variation Members of the popuiaion.if they are me natural selection automatically Tesults, 2. How does natural selection and evolution lead to speciation? Natural that and may even indy wal characters among organisms 1. Kely to survive and reproduce entually ead t0 speciation- selectio can result in are More Topic 4: Biodiversity Essential Question: Why is biodiversity important and how can it be protected? Vocabulary: Match the following vocabulary words with their definition. 1. Biodiversity 2. Species diversity 3. Genetic diversity 4. Ecosystem diversity 5. Extinction A species dying out b. The variety of life in the world The variety of genetic make ups d. The variety of species in an environment The variation of ecosystems within a biome a. с. e. Questions 1. Why are the world's rainforests so important? 2. Predict solutions for slowing the loss of…The first step leading to allopatric speciation is (a) hybrid inviability (b) hybrid breakdown (c) adaptive radiation (d) geographic isolation (e) paedomorphosis
- The difference between sympatric and parapatric speciation is ___. a. parapatric speciation occurs only in worms b. sympatric speciation requires a barrier to gene flow c. the extent of overlap in range d. reproductive isolation does not occurWhich 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 population1. What is the difference between microevolution and macroevolution?2. How do biologists define a “biological species”?3. Why is reproductive isolation such a driving force in the process of speciation? 4. To which prezygotic isolation mechanism does each example below correspond: habitat isolation, temporal isolation, behavioral isolation, mechanical isolation, gametic isolation? Parasites exploit new host species. Differences in binding protein allow sperm to fertilize. Pines release pollen in different seasons. Fireflies give specific patterns of signals. Plant floral tubes have different lengths.5. What evidence shows that allopatric speciation can occur in fruit flies raised on different food sources?
- 22. The biological species concept Group of answer choices applies equally well to all organisms on Earth posits that the absence of gene flow between two populations drives speciation defines a species primarily on the basis of morphological similarities between individuals is especially applicable to plants can be applied to fossils just as well as it can be to living species PreviousNext5. Birds have wings, as do butterflies and mosquitoes. However, they do not share a ca12 7 5. Birds have wings, as do butterflies and mosquitoes. However, they do hot Share e recent, common ancestor. Therefore the possession of wings in this Scenano to known as: a. Homology b. Homoplasy C. Apomorphy d. Polyphyly e. Ancestry 6. Two different monophyletic groups that share common ancestry with each other more recently than either does with other taxa are known as: a. Subspecies b. Syplesiomorphy c. Synapomorphy d. Sister group e. Polyphyletic noitesuestion 4 n Darwin's mind, the origin of species is inextricably linked to the extinction of species. Why? O New species are better adapted than older species. New species are much better predators than older species. New species kill off the old species. So as new species form, old species are killed off. O New species are better adapted than older species. New species outcompete older forms, causing them to go extinct. So as new species form, old species naturally disappear. O New species mate with older species. This mating merges the two species together. So as new species form, older species merge into them and disappear. O No answer text provided.