Homework Answers
7.Ans. 8 represents the most recent common ancestor of whale and deer.
8.Ans. (d) whale and hippopotamus.
Explanation: Whale and hippopotamus are the two species which evolved most recently from their common ancestor 6. All the species in the phylogenetic tree originated from species 12. On evolution further whale, hippopotamus and deer form a monophyletic group. Horse and cat evolved from their common ancestor 9 and are distantly related to whale and hippopotamus which evolved from species 6.
9.Ans. (b) hippopotamus and deer
Explanation: Deer originated from species 8. Hippopotamus originated from species 8 but it had evolved again at 6 and it makes the two species far related. Farther unrelatedness, more the dissimilarity in their DNA sequence.
10.Ans. These groups and deer form a monophyletic group. Hippopotamus and whale form sister groups. These two are closely related and evolved from their most recent common ancestor 6. These groups and deer form a monophyletic group evolving from their common ancestor 8.
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7. Which number (below) represents the most recent common ancestor of the whale and deer? WHALE...
Explain why the time of the most recent common ancestor estimated from variation in a sample...
Explain why the time of the most recent common ancestor estimated from variation in a sample of two DNA sequences sampled from different populations does not equal the divergence time of the populations. (you should probably have at least 1 equation in your answer).
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...
Of the crayfish, earthworm, and rat, which organisms share the most recent common ancestor? How did...
Of the crayfish, earthworm, and rat, which organisms share the most recent common ancestor? How did you arrive at your answer? Based on this relationship, which organisms do you expect to have the most similarities in their anatomy?
A) The two species, along with their most recent common ancestor, constitute a clade 8) One speties is the descendant of the other 1. whidh f the olowingscie are comidered evolutionary sister gro...
A) The two species, along with their most recent common ancestor, constitute a clade 8) One speties is the descendant of the other 1. whidh f the olowingscie are comidered evolutionary sister groups? C) The two species can be considered more closely related to one another than either is to any other species g gees withac hr than either species does with D) They share more s a third species 2) They share at least one synapomorphy г which ofthe...
in the treee below, assume the most recent common ancestor to all the animals listed had...
in the treee below, assume the most recent common ancestor to
all the animals listed had a long tail, ears, external testes, and
fixed claws. based on the info in the tree, what traits does a seal
have? (picture below)
Select all the ways animals are different from plants. animals are heterotrophs animals are autotrophs animals have sexual reproduction animals are mostly mobile at some life stage QUESTION 2 In the tree below, assume the most recent common ancestor to...
1. Select whether the statement is true or false. Organisms that have similar forms can look...
1. Select whether the statement is true or false. Organisms that have similar forms can look similar, but come from very different evolutionary ancestors. True/False 2. Select whether the statement is true or false. The length of branches on a phylogenetic tree always corresponds to the length of time between the emergence of new species. True/False 3. Fill in the blank with the correct answer by typing in the box. Analogous structures often develop through the process of _____ evolution,...
Question 1: With which species does the cave bear share a most recent common ancestor? 0.1599 Canis lupus 0.1204 Ailuropoda melanoleuca 0.0892 Tremarctos ornatusa Melursus ursinus 0.0501 Helarctos ma...
Question 1: With which species does the cave bear share
a most recent common ancestor?
0.1599 Canis lupus 0.1204 Ailuropoda melanoleuca 0.0892 Tremarctos ornatusa Melursus ursinus 0.0501 Helarctos malayanus 0.0253 0.0177 17 Ursus arctos 0.0242 0.0123 Ursus maritimus 0.0133 0 0.0278 Ursus spelaeus 0.048 Ursus americanus 0.0122 0.0513 Ursus thibetanus 0.02
0.1599 Canis lupus 0.1204 Ailuropoda melanoleuca 0.0892 Tremarctos ornatusa Melursus ursinus 0.0501 Helarctos malayanus 0.0253 0.0177 17 Ursus arctos 0.0242 0.0123 Ursus maritimus 0.0133 0 0.0278 Ursus spelaeus 0.048...
Chapters 29,30 Plant Diversity I, Plant Dlversity I 1. What are characteristics of the most recent common ancestor land plants 2. List plant adaptations to lifo on land. 3. What are characteristi...
Chapters 29,30 Plant Diversity I, Plant Dlversity I 1. What are characteristics of the most recent common ancestor land plants 2. List plant adaptations to lifo on land. 3. What are characteristics of Byophytes? 4. How are plant spores produced? 5. Define the function(s) of archegonia 6. Def fine heterospory in terms of the evolution of plants. 7. Discuss the ongoing trend in the evolution of land plants. 8, what is the function of the seed coat? 9. How are...
Please help and explain Biological fitness is best defined as A) a heritable trait that increases...
Please help and explain
Biological fitness is best defined as A) a heritable trait that increases the match of an individual to its environment. B) similar reproductive success among individuals in a population. C) variability in the population for a trait that increases survival. D) the ability of an individual to produce offspring that survive and reproduce, relative to other individuals in the population. E) competition among individuals for resources that allow them to have more offspring Phylogenetic trees constructed...
no explaination is needed 7. Which of the following groups would be most likely to exhibit...
no explaination is needed
7. Which of the following groups would be most likely to exhibit uniform dispersion? a) Red squirrels, who actively defend territories. b) Cattails, which grow primarily at edges of lakes and streams. c) Moths, in a city at night. d) Lake trout, which seek out cold, deep water high in dissolved oxygen. 8. As N (population size) approaches K (carrying capacity) for a certain population, which of the following is predicted by the logistic equation? a)...
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) The two species, along with their most recent common ancestor, constitute a clade 8) One speties is the descendant of the other 1. whidh f the olowingscie are comidered evolutionary sister groups? C) The two species can be considered more closely related to one another than either is to any other species g gees withac hr than either species does with D) They share more s a third species 2) They share at least one synapomorphy г which ofthe...
in the treee below, assume the most recent common ancestor to
all the animals listed had a long tail, ears, external testes, and
fixed claws. based on the info in the tree, what traits does a seal
have? (picture below)
Select all the ways animals are different from plants. animals are heterotrophs animals are autotrophs animals have sexual reproduction animals are mostly mobile at some life stage QUESTION 2 In the tree below, assume the most recent common ancestor to...
Question 1: With which species does the cave bear share
a most recent common ancestor?
0.1599 Canis lupus 0.1204 Ailuropoda melanoleuca 0.0892 Tremarctos ornatusa Melursus ursinus 0.0501 Helarctos malayanus 0.0253 0.0177 17 Ursus arctos 0.0242 0.0123 Ursus maritimus 0.0133 0 0.0278 Ursus spelaeus 0.048 Ursus americanus 0.0122 0.0513 Ursus thibetanus 0.02
0.1599 Canis lupus 0.1204 Ailuropoda melanoleuca 0.0892 Tremarctos ornatusa Melursus ursinus 0.0501 Helarctos malayanus 0.0253 0.0177 17 Ursus arctos 0.0242 0.0123 Ursus maritimus 0.0133 0 0.0278 Ursus spelaeus 0.048...
Chapters 29,30 Plant Diversity I, Plant Dlversity I 1. What are characteristics of the most recent common ancestor land plants 2. List plant adaptations to lifo on land. 3. What are characteristics of Byophytes? 4. How are plant spores produced? 5. Define the function(s) of archegonia 6. Def fine heterospory in terms of the evolution of plants. 7. Discuss the ongoing trend in the evolution of land plants. 8, what is the function of the seed coat? 9. How are...
Please help and explain
Biological fitness is best defined as A) a heritable trait that increases the match of an individual to its environment. B) similar reproductive success among individuals in a population. C) variability in the population for a trait that increases survival. D) the ability of an individual to produce offspring that survive and reproduce, relative to other individuals in the population. E) competition among individuals for resources that allow them to have more offspring Phylogenetic trees constructed...
no explaination is needed
7. Which of the following groups would be most likely to exhibit uniform dispersion? a) Red squirrels, who actively defend territories. b) Cattails, which grow primarily at edges of lakes and streams. c) Moths, in a city at night. d) Lake trout, which seek out cold, deep water high in dissolved oxygen. 8. As N (population size) approaches K (carrying capacity) for a certain population, which of the following is predicted by the logistic equation? a)...
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