Features shared by two or more species that were inherited from a common ancestor are considered_____?...
Features shared by two or more species that were inherited from a common ancestor are considered_____?
heterozygotes, derived, speciation, ancestral, or homozygous
Homework Answers
The answer is homologous but it's not mentioned over there. If two or more species share a unique physical feature, such as a complex bone structure or a body plan, they may all have inherited this feature from a common ancestor
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Features shared by two or more species that were
inherited from a common ancestor are considered_____?...
In a cladistic approach to phylogeny, a trait shared with a distant common ancestor is referred...
In a cladistic approach to phylogeny, a trait shared with a distant common ancestor is referred to as a(n): symplesiomorphy. ingroup. synapomorphy. outgroup. shared derived character. Traits that arise independently in different species are most accurately referred to as _____: traits that exist because different species share a common ancestor are most
Question 1 Matching The ________________________ hypothesis proposes that it is possible for all members of a...
Question 1 Matching The ________________________ hypothesis proposes that it is possible for all members of a species to die without leaving living descendents. The ________________________ hypothesis proposes that groups of similar plants and animals share features because they inherited them from a shared ancestor. In the process of ________________________, an ancestral species gives rise to two descendent species. The ________________________ hypothesis proposes that the characteristics of species can change over time. Darwin’s major contribution to evolutionary theory is the ________________________...
Outgroup analysis looks for features that are shared derived characters in a give n group of orga...
Outgroup analysis looks for features that are shared derived characters in a give n group of organısms. a. True b. False A paraphyletic group consists of several evolutionary lines that do not share a common ancestor. a. True b. False Systematists use phylogenetic trees to graphically represent hypothesized evolutionary relationships among ganisms. a. True b. False A characteristic that is independently acquired by reversal or convergent evolution exhibits homology. a. True b. False Mammalia is a class the contains many...
Both ancestral birds and ancestral mammals shared a common ancestor that was terrestrial. Today, penguins (which...
Both ancestral birds and ancestral mammals shared a common ancestor that was terrestrial. Today, penguins (which are birds) and seals (which are mammals) have forelimbs adapted for swimming. What term best describes the relationship of the bones in the forelimbs of penguins and seals, and what term best describes the flippers of penguins and seals? (Attach pics 1 and 2) Select one: a. analogous; homologous b. homologous; analogous c. homologous; homologous Next page
See Hint Several organisms have a homologous protein inherited from a common ancestor) that is highly...
See Hint Several organisms have a homologous protein inherited from a common ancestor) that is highly similar at the amino acid level. You are comparing the genes that code for these proteins in the different organisms when you note that one of the codon nucleotide positions shows more nucleotide variation than the other nucleotide positions. In which codon nucleotide position do you expect to see the most variability among species? Choose one: A fourth nucleotide position B. third nucleotide position...
Bud eaters share a common ancestor with insect eaters. If an insect-eating species shares more phylogenetic...
Bud eaters share a common ancestor with insect eaters. If an insect-eating species shares more phylogenetic traits with the vegetarian finch, what kind of phylogenetic relation do the two share? If a species of ground finch with variation in beak size suddenly had to all compete for large hard seeds, what kind of selection would occur on the species?
1. Which of the following features is found in the common ancestor of the deuterostomes? Radial...
1. Which of the following features is found in the common ancestor of the deuterostomes? Radial symmetry Notochord Pharyngeal slits 2. Which of the deuterostome groups does not display bilateral symmetry at some time during their development? Echinoderms Hemichordates Chordates None of the above 3. Which of the following deuterostome groups include species that live on land? Hemichordates Chordates Echinoderms
Homology refers to the presence of a feature in two taxonomic groups due to shared common...
Homology refers to the presence of a feature in two taxonomic groups due to shared common ancestry – that is, the evolutionary origin of the feature in a common ancestor of the two taxa. Homoplasy, on the other hand, refers to the opposite situation – the presence of similar features due to independent convergent or parallel evolution in two groups. Describe three features that we discussed in class that are homoplastic (i.e., they have arisen independently in at least two...
What is a shared derived feature? (please select a correct answer) 1. are not homoplasy. so...
What is a shared derived feature? (please select a correct answer) 1. are not homoplasy. so they link two species by a species by a specialized feature some of their older shared ancestors did not. 2. a more recent evolutionary relationship exists since two taxa share an adaptation not all of their shared. 3. the order to put a phylogenic trees is by ancestral characteristics first. how does it relate to evolutionary relationships? (please select a correct answer) 1. are...
Q1) Which of the following best describes a haplotype? a variant form of a particular gene...
Q1) Which of the following best describes a haplotype? a variant form of a particular gene a combination of two alleles present at a single locus for a diploid individual A combination of alleles at multiple loci on the same chromosome or chromosome region a chromosomal region that experiences high recombination Q2) Two alleles in an individual are identical-by-descent (IBD) if they're homozygous, irrespective of their ancestry their phenotypic effects are the same as was experienced in the ancestor they're...
In a cladistic approach to phylogeny, a trait shared with a distant common ancestor is referred to as a(n): symplesiomorphy. ingroup. synapomorphy. outgroup. shared derived character. Traits that arise independently in different species are most accurately referred to as _____: traits that exist because different species share a common ancestor are most
Outgroup analysis looks for features that are shared derived characters in a give n group of organısms. a. True b. False A paraphyletic group consists of several evolutionary lines that do not share a common ancestor. a. True b. False Systematists use phylogenetic trees to graphically represent hypothesized evolutionary relationships among ganisms. a. True b. False A characteristic that is independently acquired by reversal or convergent evolution exhibits homology. a. True b. False Mammalia is a class the contains many...
Both ancestral birds and ancestral mammals shared a common ancestor that was terrestrial. Today, penguins (which are birds) and seals (which are mammals) have forelimbs adapted for swimming. What term best describes the relationship of the bones in the forelimbs of penguins and seals, and what term best describes the flippers of penguins and seals? (Attach pics 1 and 2) Select one: a. analogous; homologous b. homologous; analogous c. homologous; homologous Next page
See Hint Several organisms have a homologous protein inherited from a common ancestor) that is highly similar at the amino acid level. You are comparing the genes that code for these proteins in the different organisms when you note that one of the codon nucleotide positions shows more nucleotide variation than the other nucleotide positions. In which codon nucleotide position do you expect to see the most variability among species? Choose one: A fourth nucleotide position B. third nucleotide position...
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