The evolution of various life forms on Earth is summarized in ________. a. the binomial naming system b. phylogenetic trees c. the taxonomic classification system
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A: Answer is d.) a DNA sequence.
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Q: Scientists find a fossil (Fossil A) in a deep layer of sedimentary rock. They determine that Fossil…
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A: Cladogram depicts the evolutinary relationship between the taxons present in the tree.
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A: Phylogeny is the study which decreases the evolutionary relationships between the organisms and the…
Q: Using the DNA alignment provided, which of the following phylogenies is the most likely accurate…
A: Phylogeny 2nd is right DEBCA for the given DNA nucleotides.
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Q: A monophyletic group is a ________. a. phylogenetic tree b. shared derived trait c. character state…
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Q: In cladistic analysis, (a) ancestral characters are used to reconstructphylogenies (b) characters…
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A: Evolution is defined as the change in trait of individuals over a period of time.
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A: Introduction: Systematics is an attempt to understand the evolutionary interrelationships of living…
Q: A cladogram or phylogenetic tree is used to classify organisms into groups based on their shared…
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Q: Choose the best answer. Shared derived characteristics are: O a Used only to characterize species O…
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Q: Using the DNA alignment provided, which of the following phylogenies is the most likely accurate…
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Q: Which of the following are true about outgroups? A. They help identify plesiomorphic traits…
A: Outgroups can be referred to as distantly related organisms, which serves as a reference group when…
Q: Circle the letter of each sentence that is true about evolutionary relationship of organisms? *…
A:
Q: A branch points on a phylogenetic tree is where scientists that study systematics place a groups…
A: A phylogenetic tree is the diagrammatic representation of the family tree that shows the…
Q: On a phylogenetic tree, the length of branches is a.) The comparison of homologous DNA and RNA…
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Q: To test evolutionary hypotheses, you make a phylogeny of a group of organisms based on six traits: -…
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Q: Above is an evolutionary tree. Nodes are labeled 1-5 and the taxa are labeled A-F. Suppose you were…
A: Evolution is the process of heritable change in the characteristics of an organism. Such changes…
Q: Based on the results, what is the most probable phylogenetic tree(s) for these three beetles? A.…
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Q: Below is a phylogenetic tree. Which of the following statements is correct? H. K Species C and D are…
A: Phylogeny represents the evolutionary history of an organism. The phylogenetic tree demonstrates the…
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The evolution of various life forms on Earth is summarized in ________.
a. the binomial naming system b. phylogenetic trees c. the taxonomic classification system
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- The fossil record shows how ________________ a. dead organisms were buried b. organisms have changed over time and when organisms lived on Earth c. parents of the offsprings d. evolution occurredThe type of speciation that takes place in geographically overlapping populations is known as ________________________. A. Allopatric speciation B. Sympatric speciation C. Morphological speciation D. Physiological speciation______ is a way of reconstructing evolutionary history based on derived characters. a. Cladistics c. Convergent evolution b. Linnaean taxonomy d. Divergent evolution
- 33. _____ include all species in the direct ancestral/evolutionary lineage of modern humans. a. platamines b.hominins c.strepsirrhines d.hominidsThe first forms of life on Earth were thought to be_________. a. single-celled plants b. prokaryotes c. insects d. large animals such as dinosaursQ1: Variable descriptions of a character is called a _____________. A. Homologous character B. Character state C. Analogous character D. Shared derived character Q2: Vestigial structures are the structures that used to have functions in the past but mostly lost these functions in the present. Which of the following is NOT an example of a vestigial structure? A. Nictitating membrane in humans B. Appendix in humans C. Femur in humans D. Coccyx in humans Q3: According to Wallace and Darwin, for new individuals to emerge, a group of individuals must become? A. Reproductively crossed among other organisms B. Geographically isolated from the rest of the original population C. Embryologically different from the rest of other organisms D Reproductively isolated from the rest of the original population
- A cladogram or phylogenetic tree is used to classify organisms into groups based on their shared characteristics, where each node or branching point is known as _________________. Group of answer choices A. Common ancestry B. New species C. Reproductive isolation D. New characteristic E. None of the answers are correctLife first appeared on Earth ___________ of years ago.Choose one: A. billions B. hundreds of thousands C. thousands D. millionsPlease help with the following: ______________ can be used to determine the last common ancestor shared by two divergent species. A. Y-chromosome analysis B. VNTR analysis C. Rudolph's admixture hypothesis D. mtDNA analysis E. whole DNA sequencing
- Since 1735, the Linnaean classification system has been the basic system for all taxonomy in biology. Which statement best explains the reason for changing how organisms are classified today? A. Organisms are evolving at a faster rate than in the past B. More diverse and complex organisms are being discovered C.  There are more organisms today than there were in the past D. New information about the genetics of species is being discoveredThe process in which environmental pressures result in the differential survival and reproduction of individuals of a population is called_____ . a. catastrophism c. natural selection b. evolution d. geneticsThe 3.6-million-year-old footprints left by bipedal walkers in Tanzania were probably made by_____ . a. australopiths c. modern humans b. Neanderthals d. Homo erectus