Homework Answers
Ans:
Question 1:
Older
Phylogenetic tree used to define the relative age groups
Question 2:
Kingdom
Classification of living organisms include 7 levels:
kingdom
phylum
class
order
familie
genus
species
Add Answer to:
QUESTION #1
QUESTION #2
Longer branches in a phylogenetic tree represent lineages. Older Younger Which of...
Recent molecular phylogenetic work has lead to revisions of annelid taxonomy. Which of the following is...
Recent molecular phylogenetic work has lead to revisions of annelid taxonomy. Which of the following is not a true statement based on molecular analysis? Multiple Choice Clitellata is a monophyletic group composed of earthworms, leeches, and a few smaller taxa. Phylum Annelida is divided into two classes: Polychaeta and Clitellata. Errantia and Sedentaria represent the two major annelid clades The name "Oligochaeta" (formerly used to denote a subclass) should no longer be used as a taxonomic designation
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...
Which of the following correctly ranks taxonomic groups from largest to smallest? Class, Family, Species, Genus...
Which of the following correctly ranks taxonomic groups from largest to smallest? Class, Family, Species, Genus Phylum, Family, Order, Species Kingdom, Genus, Family, Species Domain, Phylum, Family, Genus Question 31 (2 points) The partial negative charge in a water molecule occurs because hydrogen donates an electron to oxygen non-polar covalent bonding of O and H electrons spend more time around than H oxygen atoms form hybrid orbitals
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...
QUESTION 1 Taxonomic classification: Phylum, Class, Order, Family, Genus, Species. Write to the lowest taxonomic level...
QUESTION 1 Taxonomic classification: Phylum, Class, Order, Family, Genus, Species. Write to the lowest taxonomic level possible for the Organisms below. See example. Organisms: 1. Freshwater mussels 2. Mung beans 3. Snails 4. Crayfish 5. Common house mouse Example: Bold jumping spider Phylum: Arthropoda Class: Arachnida Order: Araneae Family: Salticidae Genus: Phidippus Species: audax
A hypothetical phylogenetic tree is shown in Figure Q4-2. Use this tree to answer the following...
A hypothetical phylogenetic tree is shown in Figure Q4-2. Use
this tree to answer the following question.
1. How many years ago did species M and N diverge from their
last common ancestor? Are M and N more or less closely related to
each other than P and S? In looking for functionally important
nucleotide sequences, is it more informative to compare the genome
sequences of M and N or those of M and Q? Explain.
last common ancestor million...
QUESTION #1 QUESTION #2 QUESTION #4 Identify which of the following are required criteria for living...
QUESTION #1
QUESTION #2
QUESTION #4
Identify which of the following are required criteria for living cells. Select all that apply. Ability to reproduce Exhibit growth or development Regulate self Consist of 1 + cells Respond to the environment Obtain and use materials All cells have these two characteristics: produce a cell wall outside of the plasma membrane contain mitochondria and chloroplasts contain DNA in the nucleus and have a plasma membrane have a plasma membrane and ribosomes in the...
1. A(n) in an organism can be a physical characteristic, a behavioral characteristic, or a physiological...
1. A(n) in an organism can be a physical characteristic, a behavioral characteristic, or a physiological characteristic a. adaptation b. recession c. allele d. translation 2. According to modern evolutionary theory, the Earth is approximately: a.17,000 years old b. 13.7 billion years old c. 1.2 million years old d. 4.5 billion years old 3. Which of the following is a characteristic of ALL life forms? a. heterotrophic metabolism b. contain DNA c. the ability to photosynthesize d. unicellular 4. Which...
Question 1:Construct a phylogenetic tree for the following species of shark listed in the table below,...
Question 1:Construct a phylogenetic tree for
the following species of shark listed in the table below, using the
cytochrome b gene. Use the round stingray (Urolophus
concentricus) as an outgroup to root your tree.
Common name
Latin name
Order
Great White shark
Carcharodon carcharias
order Lamniformes
Shortfin mako shark
Isurus oxyrhyncus
order Lamniformes
Longfin mako shark
Isurus paucus
order Lamniformes
Salmon shark
Lamna ditropis
order Lamniformes
Porbeagle shark
Lamna nasus
order Lamniformes
Pelagic thresher shark
Alopias pelagicus
order Lamniformes
Common...
Phylum Echinodermata Discussion: 1. What is the favorite food of sea stars? 2. Which stomach can...
Phylum Echinodermata Discussion: 1. What is the favorite food of sea stars? 2. Which stomach can a sea star evert? What challenge(s) does this mechanism most likely help the sea start to cope with? 3. How do echinoderms cope with the other many challenges of multicellularity? 4. What are the advantages and disadvantages of having an endoskeleton? 5. Why are adult sea stars radially symmetric whereas larvae are bilaterally symmetric? 6. Echinoderms are deuterostomes and represent a different branch of...
Which of the following correctly ranks taxonomic groups from largest to smallest? Class, Family, Species, Genus Phylum, Family, Order, Species Kingdom, Genus, Family, Species Domain, Phylum, Family, Genus Question 31 (2 points) The partial negative charge in a water molecule occurs because hydrogen donates an electron to oxygen non-polar covalent bonding of O and H electrons spend more time around than H oxygen atoms form hybrid orbitals
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...
A hypothetical phylogenetic tree is shown in Figure Q4-2. Use
this tree to answer the following question.
1. How many years ago did species M and N diverge from their
last common ancestor? Are M and N more or less closely related to
each other than P and S? In looking for functionally important
nucleotide sequences, is it more informative to compare the genome
sequences of M and N or those of M and Q? Explain.
last common ancestor million...
QUESTION #1
QUESTION #2
QUESTION #4
Identify which of the following are required criteria for living cells. Select all that apply. Ability to reproduce Exhibit growth or development Regulate self Consist of 1 + cells Respond to the environment Obtain and use materials All cells have these two characteristics: produce a cell wall outside of the plasma membrane contain mitochondria and chloroplasts contain DNA in the nucleus and have a plasma membrane have a plasma membrane and ribosomes in the...
1. A(n) in an organism can be a physical characteristic, a behavioral characteristic, or a physiological characteristic a. adaptation b. recession c. allele d. translation 2. According to modern evolutionary theory, the Earth is approximately: a.17,000 years old b. 13.7 billion years old c. 1.2 million years old d. 4.5 billion years old 3. Which of the following is a characteristic of ALL life forms? a. heterotrophic metabolism b. contain DNA c. the ability to photosynthesize d. unicellular 4. Which...
Question 1:Construct a phylogenetic tree for
the following species of shark listed in the table below, using the
cytochrome b gene. Use the round stingray (Urolophus
concentricus) as an outgroup to root your tree.
Common name
Latin name
Order
Great White shark
Carcharodon carcharias
order Lamniformes
Shortfin mako shark
Isurus oxyrhyncus
order Lamniformes
Longfin mako shark
Isurus paucus
order Lamniformes
Salmon shark
Lamna ditropis
order Lamniformes
Porbeagle shark
Lamna nasus
order Lamniformes
Pelagic thresher shark
Alopias pelagicus
order Lamniformes
Common...
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