a- Species who are in the same clade are considered to have divergent evolution. b-An example of convergent evolution is the cat and lion. could be classified as a symbiotic relationship. c-Coevolution
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- Which of the following is not part of how we define a species? a. Its individuals appear different from other species. b. It is reproductively isolated from other species. c. Its populations can interbreed. d. Fertile offspring are produced.Study the diagrams below. The diagrams represent four possible phylogenetic trees showing the relationship between the four species: M, L, S, and R. B A M LS R M LR +d \t R SML RM S tota -444 What is the plausible explanation for the appearance of autapomorphic character c in species L and S of tree A although they do not share a most recent common ancestor?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 species
- Part 1: Use this image to describe the relationship between H, F. and D, including how closely they are related to each other, and determine the most recent common ancestor for these species. Part 2: Using the above image, estimate how long ago the common ancestor for H, F, and D lived. Part 3: Of species H, F, and D, which have gone extinct without producing any evolutionary descendants? Provide evidence to support your answer.Which of the following is FALSE regarding phylogenetic trees? 1) The branch lengths on the tree are scaled to molecular (DNA) changes and/or time. 2)Phylogenetic trees have shown us that there is much more bacterial diversity compared to eukaryotes. 3) Phylogenetic trees show the evolutionary relatedness of different organisms. 4). The branch lengths on the tree depict abiotic and biotic factors affecting speciation.Below is a cartoon depicting various geological events, starting with one large island (panel 1) and ending with four smaller islands sequentially splitting off from each other (panels 2 to 5). Initially, there was only Species A inhabiting on the big island. However, as time went on, more species evolved on these smaller islands, such that at the current time (panel 5), there are five species. Their phylogenetic relationships are shown on the last panel. 1 2 evelves into species 3 4 velves ite evolres nto A 5. 2 D] A Based on the history depicted, MOST of these speciation events are likely mediated through? the sympatric speciation process the reinforcement process the dispersal and colonization process the vicariance process the hybridization process
- For each combination of species, indicate whether the group they form would be monophyletic or paraphyletic. D < < A, G, B C, J, A, B, G, I, E, H, F A, B, G, I, H, E A D, C, A, B, G, K, J, I K B J | LL F H E 1. Monophyletic (i.e., a clade) 2. Paraphyletic (i.e., not a clade)Ernst Mayr defined a biological species as a population whosemembers can exchange genetic material during reproduction (seechapter 14). How does horizontal gene transfer complicate thisdefinition of species?KO> O The diagram below represents four different species of bacteria. Species A Species B Species C Species D TTT Which statement is correct concerning the chances of survival for these species if there is a change in the environment? O Species C has the best chance of survival because it has no gene mutations. O Neither species B nor species D will survive because they compete for the same resources. O None of the species will survive because bacteria reproduce asexually. O Species A has the best chance of survival because it has the most genetic diversity. 1 4 7 8 10 Next O 1 N CH I O
- Species A was recently discovered and its DNA sequence was compared to the DNA of the four previously known species from the same genus. The comparison revealed this particular species is the most recent one, the one that diverged last. Show the mismatched nucleotides between these DNA sequences (mark them and count them) and then draw a phylogenetic tree that shows their relationship. You can draw the tree by hand.Species A 5’ A A G G C C A A A C T T T G G G T A T A G C A T A 3’Species B 5’ A A G G C C A A A C C G T G G G T A T A G C G A A 3’ ____________Species C 5’ A A G G C C A A A C T T T G G G T A T A G C G A A 3’ ____________Species D 5’ A A C T C C A A A C C G T G G G T A T A G C G A A 3’ ____________Species E5’ A A G G C C A A A C T T T G G G T A T A G C G T A 3’ __________Look at picture attached A) What does the phylogeny suggest about the evolutionary process that led to the trait differences by habitat? a. convergent evolution b. adaptive radiation c. phenotypic plasticity B) Choose different functional forms from two of the habitats shown in the collage and describe how one or more differences in form may represent an adaptation to their different environment. Example: compare plant form for lobeliads in montane bog to cloud forest understoryAcross 3. returns nutrients to ecosystems 4. a type of speciation 6. connects to enzyme 8. cause of trisomy 21 10. lack a nucleus 12. a symbiotic relationship 17. plants do this on hot dry days 19. gene regulation in bacteria 20. splits polymers
