Homework Answers
Answer:
1).
Crocodiles are more closely related to mice than to salamanders
Explanation:
Crocodiles and mice are similar in vertebrates, tetrapods and amniontes groups. But crocodiles and salamders are similar in vertebrates and tetrapods only.
2). C. Humans and dogs are more evolved than fish and amphibians
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According to this phylogenetic tree, which of the following is tru Lamprey Common ancestor Perch Salamander...
The Kingdom Monera Select one: a. All of these X b. was the third kingdom of...
The Kingdom Monera Select one: a. All of these X b. was the third kingdom of life to be introduced C. includes all prokaryotes d. is a monophyletic taxon e. was introduced as a direct result of improvements to the light microscope The half-life of carbon-14 is roughly 5,700 years. In the pre-industrial atmosphere, there was approximately one atom of carbon-14 for every trillion atoms of carbon-12. In a fossil that is 17,100 years old, how many atoms of carbon-12...
A gene in species A has an orthologous counterpart in species B. When the two genes...
A gene in species A has an orthologous counterpart in species B. When the two genes are compared, a total of eight base- pair differences are found. The fossil record indicates that the last common ancestor of A and B lived 60 million years ago. What is the average rate at which base-pair mutations accumulate in these orthologous genes? One base-pair change every Select one: a. 10 million years O b. 2 million years O c. 20 million years O...
Based on the tree below, which statement is not correct? Salamander Lizard Goat Human Salamanders are...
Based on the tree below, which statement is not correct? Salamander Lizard Goat Human Salamanders are a sister group to the group containing lizards, goats, and humans. OOOO Lizards and Goats share a more recent common ancestor than do Lizards and Salamanders. Lizards are more closely related to salamanders than to humans. Salamanders are as closely related to goats as to humans. Goats and humans form a sister group. O
Which node of the phylogenetic tree in Figure 1 represents the most recent common ancestor of...
Which node of the phylogenetic tree in Figure 1 represents the
most recent common ancestor of echidnas and Asian elephants? (Node
A B C or D)
According to the phylogenetic tree of chordates in Figure 1,
how would you describe the relatedness of the outgroup species to
other chordates?
a) The painted tunicate is more
closely related to lampreys than to sharks
b) The painted tunicate is not as
highly evolved as the remainder of the chordates
c) The painted...
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...
D Question 1 2 pts sponge flatworm insect crustacean frog shark Which of the following is...
D Question 1 2 pts sponge flatworm insect crustacean frog shark Which of the following is true according to the phylogeny above? Insects are more closely related to sharks than flatworms Insects are related to sharks, but not flatworms Insects are more closely related to flatworms than sharks Insects are equally related to sharks and flatworms MacBook Air
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....
Permian extinction... Which of the following statements about the Permian extinction is FALSE? A. An estimated...
Permian extinction... Which of the following statements about the Permian extinction is FALSE? A. An estimated 95% of all marine species were lost during the event. B. Adaptive radiations of surviving groups occurred afterwards. C. An estimated 70% of all terrestrial vertebrate species were lost during the event. D. It occurred around 250 million years ago. E. It caused the extinction of the dinosaurs. Which of the following statements about taxonomy is FALSE? A. Species that are in the same...
The Kingdom Monera Select one: a. All of these X b. was the third kingdom of life to be introduced C. includes all prokaryotes d. is a monophyletic taxon e. was introduced as a direct result of improvements to the light microscope The half-life of carbon-14 is roughly 5,700 years. In the pre-industrial atmosphere, there was approximately one atom of carbon-14 for every trillion atoms of carbon-12. In a fossil that is 17,100 years old, how many atoms of carbon-12...
A gene in species A has an orthologous counterpart in species B. When the two genes are compared, a total of eight base- pair differences are found. The fossil record indicates that the last common ancestor of A and B lived 60 million years ago. What is the average rate at which base-pair mutations accumulate in these orthologous genes? One base-pair change every Select one: a. 10 million years O b. 2 million years O c. 20 million years O...
Based on the tree below, which statement is not correct? Salamander Lizard Goat Human Salamanders are a sister group to the group containing lizards, goats, and humans. OOOO Lizards and Goats share a more recent common ancestor than do Lizards and Salamanders. Lizards are more closely related to salamanders than to humans. Salamanders are as closely related to goats as to humans. Goats and humans form a sister group. O
Which node of the phylogenetic tree in Figure 1 represents the
most recent common ancestor of echidnas and Asian elephants? (Node
A B C or D)
According to the phylogenetic tree of chordates in Figure 1,
how would you describe the relatedness of the outgroup species to
other chordates?
a) The painted tunicate is more
closely related to lampreys than to sharks
b) The painted tunicate is not as
highly evolved as the remainder of the chordates
c) The painted...
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...
D Question 1 2 pts sponge flatworm insect crustacean frog shark Which of the following is true according to the phylogeny above? Insects are more closely related to sharks than flatworms Insects are related to sharks, but not flatworms Insects are more closely related to flatworms than sharks Insects are equally related to sharks and flatworms MacBook Air
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....
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