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20. Rere to the which shows the phylogenetic tree of major groups of living organisms. Based...
20. Refer l the figure, which shows the phylogenetic tree of major groups of living organisms....
20. Refer l the figure, 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. Remaining: 3:03:00 Start: 8:53 PM MacBook Air esc
Using Figure 26.21 from Campbell's Biology (p. 567), answer the following questions about the hypothesized evolutionary...
Using Figure 26.21 from Campbell's Biology (p. 567), answer the following questions about the hypothesized evolutionary relationships among these eukaryotic groups a. Of the taxa shown in Figure 26.21, which one is most closely related to Fungi? Explain your answer. b. Of the taxa shown in Figure 26.21, which one is most closely related to Plants? Explain your answer. Euglenozoans Forams Polytomy Diatoms Ciliates Red algae Green algae Domain Eukarya Plants Tubulinids Fungi Animals Euryarcheotes Archaea Domain COMMON ANCESTOR OF...
Which of the following statements accurately describes information found in the phylogenetic tree shown? Deinococcus is...
Which of the following statements accurately describes
information found in the phylogenetic tree shown?
Deinococcus is more closely related to
Chloroflexus than Deinococcus is to
Synechococcus.
Neisseria and Escherichia are examples of
Gram-positive genera.
Aquifex is the ancestral genus that gave rise to all
bacterial species found today.
Verrucomicrobium is an extinct genus used as the root
of this phylogenetic tree.
Archaea Eukarya Aquifex Thermotoga Root of bacterial tree Deinococcus - Chloroflexus - Synechococcus Chloroplast Bacillus - Mycoplasma - Clostridium...
1. Which of the following structures makes cyanobacteria optimal symbionts for eukaryotic organisms needing oxygen and...
1. Which of the following structures makes cyanobacteria optimal symbionts for eukaryotic organisms needing oxygen and nutrients? A. chloroplasts B. plasmids C. thylakoids D. capsules 2. Which of the following “environments” could provide the BEST chance of survival via symbiosis to a photoautotroph bacterial species? A. the intestine of a cow B. the eye of a flashlight fish living in the deep ocean C. a colony of fungi near a pond D. the interior of an ant’s nest 3. Which...
1. If you were to build a phylogenetic tree of living animals, which of the following...
1. If you were to build a phylogenetic tree of living animals,
which of the following derived characters would appear first?
A. deuterostome development
B. true tissues
C. protostome development
D. bilateral symmetry
2. Birds and mammals are endotherms. They maintain body
temperature by producing heat through metabolism. Endothermy is
energetically expensive for an organism, yet endotherms have become
the dominant group of tetrapods. What is a major evolutionary
advantage of endothermy?
A. Endothermy allows greater independence from water.
B....
Part B Directions Read Ch. 1 section 1.2 (pp. 4-10) and Ch. 19 1.Think about the...
Part B Directions Read Ch. 1 section 1.2 (pp. 4-10) and Ch. 19 1.Think about the origin of cellular life forms beginning from 4.5 billion years ago and continuing up to the point that eukaryotic cells appeared. Consider: Why is RNA thought to be the 1st self-replicating biomolecule? • Describe the endosymbiotic hypothesis and explain how it accounts for the origin of mitochondria, hydrogenosomes and chloroplasts. List at least 2 pieces of evidence that support this hypothesis. 2. Explain in...
The group of organisms humans belong to is relatively small. All living organisms share a common...
The group of organisms humans belong to is relatively small. All living organisms share a common ancestor, as evidenced by the commonality of DNA and ribosomes. Humans are not a unique form of life. Our ability to learn about the natural world does provide us an advantage over many species, especially if we use this advantage wisely. Antibiotics are prevalent in bacteria and fungi, whereas other drugs are derived from plants. Humans are not the most common species on Earth....
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...
Macro algae, or seaweeds are classified in 3 large groups based on their photosynthetic pigment colors....
Macro algae, or seaweeds are classified in 3 large groups based on their photosynthetic pigment colors. Which two groups are more closely related to each other and to land plants? green algae and brown algae green algae and red algae red algae and brown algae 2.The simplest and most evolutionarily ancient primary producers are: diatoms cyanobacteria (AKA bluegreen algae) unicellular algae plants dinoflagellates Ocean water is salty because there are ions (salts) dissolved in the water. What are the 2...
if shown a tree! 40. Can you recognize mono- para- and poly-phyletic groups How have oxygen...
if shown a tree! 40. Can you recognize mono- para- and poly-phyletic groups How have oxygen levels varied over time, and what affects did that have on life? 2. You have a fossil with a fraction of 1ugh unstable parent to stable daughter isotope, with a does it belong to? half-life of 12 million years. How old is your fossil? Which era 43 Be able to complete this table Dominant taxonomic Era Time period Major physical conditions Nw taxonomic groupsBirds,...
20. Refer l the figure, 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. Remaining: 3:03:00 Start: 8:53 PM MacBook Air esc
Using Figure 26.21 from Campbell's Biology (p. 567), answer the following questions about the hypothesized evolutionary relationships among these eukaryotic groups a. Of the taxa shown in Figure 26.21, which one is most closely related to Fungi? Explain your answer. b. Of the taxa shown in Figure 26.21, which one is most closely related to Plants? Explain your answer. Euglenozoans Forams Polytomy Diatoms Ciliates Red algae Green algae Domain Eukarya Plants Tubulinids Fungi Animals Euryarcheotes Archaea Domain COMMON ANCESTOR OF...
Which of the following statements accurately describes
information found in the phylogenetic tree shown?
Deinococcus is more closely related to
Chloroflexus than Deinococcus is to
Synechococcus.
Neisseria and Escherichia are examples of
Gram-positive genera.
Aquifex is the ancestral genus that gave rise to all
bacterial species found today.
Verrucomicrobium is an extinct genus used as the root
of this phylogenetic tree.
Archaea Eukarya Aquifex Thermotoga Root of bacterial tree Deinococcus - Chloroflexus - Synechococcus Chloroplast Bacillus - Mycoplasma - Clostridium...
1. If you were to build a phylogenetic tree of living animals,
which of the following derived characters would appear first?
A. deuterostome development
B. true tissues
C. protostome development
D. bilateral symmetry
2. Birds and mammals are endotherms. They maintain body
temperature by producing heat through metabolism. Endothermy is
energetically expensive for an organism, yet endotherms have become
the dominant group of tetrapods. What is a major evolutionary
advantage of endothermy?
A. Endothermy allows greater independence from water.
B....
Part B Directions Read Ch. 1 section 1.2 (pp. 4-10) and Ch. 19 1.Think about the origin of cellular life forms beginning from 4.5 billion years ago and continuing up to the point that eukaryotic cells appeared. Consider: Why is RNA thought to be the 1st self-replicating biomolecule? • Describe the endosymbiotic hypothesis and explain how it accounts for the origin of mitochondria, hydrogenosomes and chloroplasts. List at least 2 pieces of evidence that support this hypothesis. 2. Explain in...
The group of organisms humans belong to is relatively small. All living organisms share a common ancestor, as evidenced by the commonality of DNA and ribosomes. Humans are not a unique form of life. Our ability to learn about the natural world does provide us an advantage over many species, especially if we use this advantage wisely. Antibiotics are prevalent in bacteria and fungi, whereas other drugs are derived from plants. Humans are not the most common species on Earth....
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...
if shown a tree! 40. Can you recognize mono- para- and poly-phyletic groups How have oxygen levels varied over time, and what affects did that have on life? 2. You have a fossil with a fraction of 1ugh unstable parent to stable daughter isotope, with a does it belong to? half-life of 12 million years. How old is your fossil? Which era 43 Be able to complete this table Dominant taxonomic Era Time period Major physical conditions Nw taxonomic groupsBirds,...
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