In a phylogenetic tree, shared ancestral characters are shared by all members of the tree while...
In a phylogenetic tree, shared ancestral characters are shared by all members of the tree while derived characters evolved later and are shared by only some of them. True or False
Homework Answers
True
The given fact is true regarding the phylogenetic tree.
In a phylogenetic tree, shared ancestral characters are shared by all members of the tree while derived characters evolved later and are shared by only some of them.
An ancestral character is shared with the species ancestral to more than one group: it can lead to different groups being classified together. A shared derived character is sharedby the ancestral species and a single group: it is the only reliable guide to inferring phylogeny.
shared character is one that two lineages have in common, and a derived character is one that evolved in the lineage leading up to a clade and that sets members of that clade apart from other individuals. Shared derived characters can be used to group organisms into clades.
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In a phylogenetic tree, shared ancestral characters are shared
by all members of the tree while...
Question 10 play In the phylogenetic tree shown, which is true about the characteristic "gestation"? Otisa...
Question 10 play In the phylogenetic tree shown, which is true about the characteristic "gestation"? Otisa shared derived character for the clade including the beaver and kangaroo O it is a shared derived character for the clade including the beaver, Kangaroo and platypus o it is a shared ancestral character for the clade including the beaver and frog Otisa shared ancestral character for the clade including the beaver and kangaroo Question 11 The level of biological organization that addresses how...
Outgroup analysis looks for features that are shared derived characters in a give n group of orga...
Outgroup analysis looks for features that are shared derived characters in a give n group of organısms. a. True b. False A paraphyletic group consists of several evolutionary lines that do not share a common ancestor. a. True b. False Systematists use phylogenetic trees to graphically represent hypothesized evolutionary relationships among ganisms. a. True b. False A characteristic that is independently acquired by reversal or convergent evolution exhibits homology. a. True b. False Mammalia is a class the contains many...
i need help on the derived characteristics oplying Your Knowledge complete the phylogenetic tree on animal...
i
need help on the derived characteristics
oplying Your Knowledge complete the phylogenetic tree on animal development by Suning the proper phylum (AF) body can arrangement and embryo development (1-3) and dead characters GHIM for each animal phylum served in this lab. ARTHROPODA CHORDATA ECHINODERMATA DEUTEROSTOMES Ancestral protists Phylum: A Porifera B. Cuidarid c. Platynelminthes D. Nonatoda E.Molluska F. Annelida Derived Characteristics: fumeto 200 Body Cavity and Embryo Development: 1. Aloe More 2. Pseudocoamate 3. Quelomote
2. List two characters/traits you share with ALL animals that are NOT shared by ANY plants....
2. List two characters/traits you share with ALL animals that are NOT shared by ANY plants. 2a. Consider the traits you listed in the previous question. Would any of them help you to distinguish an animal (e.g., you) from a plant (e.g., a pine tree)? Choose one: YES NO (highlight in color and bold) 2b. Consider the same animal traits. Would any of them, by themselves, help you to distinguish one species of animal from another species of animal? Choose...
The cladogram of vertebrata is shown below with shared derived characters Indicated. Lampreys Lungfish Land vertebrates...
The cladogram of vertebrata is shown below with shared derived characters Indicated. Lampreys Lungfish Land vertebrates Tetrapoda Fingers and toes Choanata Choanae Osteichthyes Bony ribs and shoulder girdle Gnathostomata Jaws Wertebrata Vertel 8. Of what monophyletic group is "choanae" a shared derived character? 9. What shared derived character is indicated for Tetrapoda? 10. Name any character on the cladogram that is a shared ancestral character for Tetrapoda. 11. According to the principle of maximum parsimony, we should first investigate the...
phylogenic tree help 11. For this question, refer to FIG. 24.2 (p. 487) "The family tree...
phylogenic tree help
11. For this question, refer to FIG. 24.2 (p. 487) "The family tree of the lesser and great apes."This figure shows the derivation of "earlobes". Assume that evolution has not reversed this character state in any of the descendants of this ancestor which evolved earlobes. Given this, what do we know about earlobes? Orangutan Gibbon (14 species in 4 genera) Gorilla Bonobo Chimpanzee Human ebepodeny Robust canine teeth Prosimians: Bushbabies New World Old World and lemurs monkeys...
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...
20. Rere to the which shows the phylogenetic tree of major groups of living organisms. Based...
20. Rere to the which shows the phylogenetic tree of major groups of living organisms. Based on the figure, which statement about the endosymbiotic origin of eukaryotic mitochondria is true? Some prokaryotic archaea possess mitochondria. Mitochondria are derived from endosymbiotic bacteria. Bacteria is more closely related to Eukarya than to Archaea. Mammals possess chloroplasts, which become functional during starvation. The common ancestor of Archaea and Eukarya possessed mitochondria.
EXERCISE 3A A TAKE-HOME EXAMPLE Complete the following exercise in building a phylogenetic tree at home...
EXERCISE 3A A TAKE-HOME EXAMPLE Complete the following exercise in building a phylogenetic tree at home before the lab period in which you'll explore Exercise 3b. Tou have the following information about four plant species. Plant X is the outgroup. Code the characters as ances tral or derived and then build a phylogeny. There may be more than one possible tree. If you have a character that occurs multiple times (in separate lincages) in the tree, indicate it with an...
Humans have 46 chromosomes while gorillas, orangutans and chimpanzees have 48. Make a simple tree to...
Humans have 46 chromosomes while gorillas, orangutans and chimpanzees have 48. Make a simple tree to show the relationships among humans, gorillas, chimpanzees and orangutans based only on chromosome number. Identify the outgroup in your diagram. Is 46 chromosomes in humans derived or ancestral?
Question 10 play In the phylogenetic tree shown, which is true about the characteristic "gestation"? Otisa shared derived character for the clade including the beaver and kangaroo O it is a shared derived character for the clade including the beaver, Kangaroo and platypus o it is a shared ancestral character for the clade including the beaver and frog Otisa shared ancestral character for the clade including the beaver and kangaroo Question 11 The level of biological organization that addresses how...
Outgroup analysis looks for features that are shared derived characters in a give n group of organısms. a. True b. False A paraphyletic group consists of several evolutionary lines that do not share a common ancestor. a. True b. False Systematists use phylogenetic trees to graphically represent hypothesized evolutionary relationships among ganisms. a. True b. False A characteristic that is independently acquired by reversal or convergent evolution exhibits homology. a. True b. False Mammalia is a class the contains many...
i
need help on the derived characteristics
oplying Your Knowledge complete the phylogenetic tree on animal development by Suning the proper phylum (AF) body can arrangement and embryo development (1-3) and dead characters GHIM for each animal phylum served in this lab. ARTHROPODA CHORDATA ECHINODERMATA DEUTEROSTOMES Ancestral protists Phylum: A Porifera B. Cuidarid c. Platynelminthes D. Nonatoda E.Molluska F. Annelida Derived Characteristics: fumeto 200 Body Cavity and Embryo Development: 1. Aloe More 2. Pseudocoamate 3. Quelomote
2. List two characters/traits you share with ALL animals that are NOT shared by ANY plants. 2a. Consider the traits you listed in the previous question. Would any of them help you to distinguish an animal (e.g., you) from a plant (e.g., a pine tree)? Choose one: YES NO (highlight in color and bold) 2b. Consider the same animal traits. Would any of them, by themselves, help you to distinguish one species of animal from another species of animal? Choose...
The cladogram of vertebrata is shown below with shared derived characters Indicated. Lampreys Lungfish Land vertebrates Tetrapoda Fingers and toes Choanata Choanae Osteichthyes Bony ribs and shoulder girdle Gnathostomata Jaws Wertebrata Vertel 8. Of what monophyletic group is "choanae" a shared derived character? 9. What shared derived character is indicated for Tetrapoda? 10. Name any character on the cladogram that is a shared ancestral character for Tetrapoda. 11. According to the principle of maximum parsimony, we should first investigate the...
phylogenic tree help
11. For this question, refer to FIG. 24.2 (p. 487) "The family tree of the lesser and great apes."This figure shows the derivation of "earlobes". Assume that evolution has not reversed this character state in any of the descendants of this ancestor which evolved earlobes. Given this, what do we know about earlobes? Orangutan Gibbon (14 species in 4 genera) Gorilla Bonobo Chimpanzee Human ebepodeny Robust canine teeth Prosimians: Bushbabies New World Old World and lemurs monkeys...
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...
20. Rere to the which shows the phylogenetic tree of major groups of living organisms. Based on the figure, which statement about the endosymbiotic origin of eukaryotic mitochondria is true? Some prokaryotic archaea possess mitochondria. Mitochondria are derived from endosymbiotic bacteria. Bacteria is more closely related to Eukarya than to Archaea. Mammals possess chloroplasts, which become functional during starvation. The common ancestor of Archaea and Eukarya possessed mitochondria.
EXERCISE 3A A TAKE-HOME EXAMPLE Complete the following exercise in building a phylogenetic tree at home before the lab period in which you'll explore Exercise 3b. Tou have the following information about four plant species. Plant X is the outgroup. Code the characters as ances tral or derived and then build a phylogeny. There may be more than one possible tree. If you have a character that occurs multiple times (in separate lincages) in the tree, indicate it with an...
Humans have 46 chromosomes while gorillas, orangutans and chimpanzees have 48. Make a simple tree to show the relationships among humans, gorillas, chimpanzees and orangutans based only on chromosome number. Identify the outgroup in your diagram. Is 46 chromosomes in humans derived or ancestral?
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