Homework Answers
Answer. Option 1
Observe carefully that the parsimonious tree 3 and 4 are exactly similar to each other.
Here in option 2 and 3, A and B clades are more closely related with D being the outgroup. Means option 4 also shows the same.
But in option 1, A and C clades are more closely related that is why it is different from the other three options.
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Which of the following phylogenetic trees depicts an evolutionary history that is different from the other...
10. Which of the following statements describes a purpose for which biologists use phylogenetic trees? a....
10. Which of the following statements describes a purpose for which biologists use phylogenetic trees? a. For human diseases once found only in other animals, phylogenetic trees are helpful in determining when and where the infectious organisms first entered human populations. b. Phylogenetic trees are useful for determining how many times a particular trait may have evolved independently within a lineage. c. Phylogenetic trees can be used to reconstruct ancestral traits. d. Phylogenetic trees can be used in conjunction with...
2. Complete these Practice Questions: 2A. Which of the three trees below depicts a different pattern...
2. Complete these Practice Questions: 2A. Which of the three trees below depicts a different pattern of relationships than the others? G F A B GB DE CAF C E D G F AB 2B. By reference to the tree below, which of the following is an accurate statement of relationships? Amoeba Red Alga Green Alga Moss Pine ACTIVITY SECTION 9 SPRING 2020 a. A green alga is more closely related to a red alga than to a moss. b....
Which of the following represents a conflict between phylogenetic trees estimated from morphologi...
Which of the following represents a conflict between phylogenetic trees estimated from morphological data versus DNA sequence data? a. choanoflagellates are the closest living relative of animals b. protostomes and dueterostomes are a fundamental split within the bilateria c.sponges are the most ancient, or basal, lineage of animals d. body cavities evolved in the following order : acoelomate, pseudocoelomate, coelomate
these trees can show how similar or different species are from each other. the vertical line...
these trees can show how similar or different species are from
each other. the vertical line on the left is the start and how far
to the right each sequence is from the left line or a branch point
indicates increasing dissimilarity. so if your sequence is close to
the the left line it is similar, but if it is at the end of a long
arm on a branch and falls to the right it is less similar.
a)...
Monotremata Marsupialia Assume the mammal cladogram on the right depicts accurate evolutionary relationships. While there is...
Monotremata Marsupialia Assume the mammal cladogram on the right depicts accurate evolutionary relationships. While there is no absolute time on this cladogram, there is relative time running from left to right (right is more recent). Answer the following questions about this tree. Afrosoricida - Macroscelidea Tubulidentata Proboscidea Hyracoidea Sirenia Xenarthra Dermoptera 1. Monotremes (Monotremata) are the only mammals (extinct or extant) that do not give live birth. Based on this information and this tree, what type of group are mammals...
How do biologists use the parsimony method when constructing a phylogenetic tree? If there is only...
How do biologists use the parsimony method when constructing a phylogenetic tree? If there is only one true evolutionary history for any group of species, discuss the possible reasons why the taxonomists analyzing genetic data (e.g., DNA sequence data) versus those analyzing morphological data may suggest different phylogenetic relationships among the same exact group of species? 4) Describe how the agnathans differ from other fish? Compare the morphology and natural history of hagfishes and lampreys. Your answer should include (at...
3. According to the molecular sequence-based phylogenetic tree of animal life, which of the following is...
3. According to the molecular sequence-based phylogenetic tree of animal life, which of the following is correct? a. Eucolomate animals evolved from pseudocoelomate animals, which in turn evolved from acoelomate animals. b. Segmentation probably evolved in only one clade, which includes more than one phylum showing segmentation. C. Segmentation evolved in some protostomes and some deuterostomes. d. Deuterostomes are more closely related to eucoelomate protostomes than to other protostomes that are pseudocoelomate or acoelomate. e. None of the above is...
Which of the following provides the strongest support that a proposed phylogenetic tree is an accurate reflection of the...
Which of the following provides the strongest support that a proposed phylogenetic tree is an accurate reflection of the real genealogical relationships among a set of species? a. Phylogenetic methods applied to multiple, independent sources of evidence (e.g. comparisons of independently evolving genes, or comparisons between DNA-based analysis vs. morphological analysis) provide support for the same evolutionary tree b. The phylogeny was based on the Maximum Parsimony method applied to DNA sequence data for lineages with high rates of evolution...
Plantae: 1. Which of the following correctly describes an evolutionary trend that occurred as land plants...
Plantae: 1. Which of the following correctly describes an evolutionary trend that occurred as land plants evolved? 2. Becoming seedless b. Producing one type of spole Producing nonmotile wametes d. Haploid generation becoming dominant 2. Which of the following occurs in the Ilie cycle of both masses and anglosperms? a. The sporophyte is the dominant generation b. The gametophyce is the dominant gcneration c Spores develop into sporophytes d. The sporophyte products sporcs 3. The evolution of which of the...
2. Complete these Practice Questions: 2A. Which of the three trees below depicts a different pattern of relationships than the others? G F A B GB DE CAF C E D G F AB 2B. By reference to the tree below, which of the following is an accurate statement of relationships? Amoeba Red Alga Green Alga Moss Pine ACTIVITY SECTION 9 SPRING 2020 a. A green alga is more closely related to a red alga than to a moss. b....
these trees can show how similar or different species are from
each other. the vertical line on the left is the start and how far
to the right each sequence is from the left line or a branch point
indicates increasing dissimilarity. so if your sequence is close to
the the left line it is similar, but if it is at the end of a long
arm on a branch and falls to the right it is less similar.
a)...
Monotremata Marsupialia Assume the mammal cladogram on the right depicts accurate evolutionary relationships. While there is no absolute time on this cladogram, there is relative time running from left to right (right is more recent). Answer the following questions about this tree. Afrosoricida - Macroscelidea Tubulidentata Proboscidea Hyracoidea Sirenia Xenarthra Dermoptera 1. Monotremes (Monotremata) are the only mammals (extinct or extant) that do not give live birth. Based on this information and this tree, what type of group are mammals...
3. According to the molecular sequence-based phylogenetic tree of animal life, which of the following is correct? a. Eucolomate animals evolved from pseudocoelomate animals, which in turn evolved from acoelomate animals. b. Segmentation probably evolved in only one clade, which includes more than one phylum showing segmentation. C. Segmentation evolved in some protostomes and some deuterostomes. d. Deuterostomes are more closely related to eucoelomate protostomes than to other protostomes that are pseudocoelomate or acoelomate. e. None of the above is...
Plantae: 1. Which of the following correctly describes an evolutionary trend that occurred as land plants evolved? 2. Becoming seedless b. Producing one type of spole Producing nonmotile wametes d. Haploid generation becoming dominant 2. Which of the following occurs in the Ilie cycle of both masses and anglosperms? a. The sporophyte is the dominant generation b. The gametophyce is the dominant gcneration c Spores develop into sporophytes d. The sporophyte products sporcs 3. The evolution of which of the...
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