why this statment is not consistent with the Modern Synthesis as it stood in the early 20th-century: Large taxonomic divisions of animals encompass an extent of physical differences that is not compatible with local races branching off
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why this statment is not consistent with the Modern Synthesis as it stood in the early 20th-century:
Large taxonomic divisions of animals encompass an extent of physical differences that is not compatible with local races branching off
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- CLASSIFICATION AND EVOLUTION Caminalcules are imaginary animals invented by the evolutionary biologist Joseph Camin. In this lab exercise, you will construct an evolutionary tree of the Caminalcules using both the "living" species and the additional 57 "fossil" species. This illustrates how modern classification schemes attempt to reflect evolutionary history. In the process of doing this exercise you will be introduced to concepts such as convergent evolution and vestigial structures. The Phylogeny of Caminalcules Using a large sheet of paper or long size bond paper, construct a phylogenetic tree for the Caminalcules. Use a meter stick or ruler to draw 20 equally spaced horizontal lines on the paper. Each of the horizontal line will be used to indicate an interval of one million years. Label each line so that the one at the bottom of the paper represents an age of 19 million years and the top line represents the present (0 years). 1. Cut out all the Caminalcules (including the living…Please help with the following prompt using as much details as possible. "One argument that is often made to invalidate evolution by natural selection is that some features of an organism are so complicated and need to work together in order to precisely function that it is impossible for such structures to arise from simpler ones by the random processes of mutation and selection: complicated design requires a designer. Using evidence from real organisms, explain how a complicated structure can arise from a simpler ancestral feature. You can use either an anatomical feature or molecular one."4 05 4 3. 2. D.
- Briefly discuss the differences in how a selectionist (one that believes that Natural Selection is a strong evolutionary force) and a neutralist (one that believes that genetic drift is a strong evolutionary force) views the following: molecular clock, evolution of coding sequences, evolution of "pseudogenes".An inferential clustering method of phylogeny that considers probabilities of character state changes from a precise evolutionary model and considers the driving forces of evolution. It is also regarded as the most complex clustering algorithm in phylogenetic analysis yet the most accurate. OOOO Maximum Likelihood Maximum Parsimony Neighbor-Joining Minimum-EvolutionMicrotaxonomy ( Species and Speciation ) People who do not believe in evolution often cite the classic example of man presumably evolving from the apes. They oftern ask: if humans evolved from apes, why are there apes until today? How will you provide a convincing answer that there is no contradiction in the existence of apes and humans at the same time?
- Using the terms listed below, answer all the parts to this question regarding the cladogram for the frogs Anatomy of a Cladogram Sympleisiomorphies—shared ancestral states Synapomorphies—shared, derived character states Autapomorphies—unique, derived character states Homoplasies—the result of parallel or convergent evolution where 2 or more organisms independently acquire the same character state (could be the result of a reversal—when, in a particular lineage, a character reverts from a derived back to an ancestral state). Similarity in appearance, but not origin. Monophyletic group—group of all descendants of a common ancestor Paraphyletic group—group of some, but not all, descendants of a common ancestor Polyphyletic group – group of individuals that descend from more than one common ancestor Polytomy—3 or more taxa emerging from a single node who do not share the most common ancestor Homologies—Similarities resulting from descent from a common ancestor Analogies - Similarities…Using the terms listed below, answer all the parts to this question regarding the cladogram for the frogs Anatomy of a Cladogram Sympleisiomorphies—shared ancestral states Synapomorphies—shared, derived character states Autapomorphies—unique, derived character states Homoplasies—the result of parallel or convergent evolution where 2 or more organisms independently acquire the same character state (could be the result of a reversal—when, in a particular lineage, a character reverts from a derived back to an ancestral state). Similarity in appearance, but not origin. Monophyletic group—group of all descendants of a common ancestor Paraphyletic group—group of some, but not all, descendants of a common ancestor Polyphyletic group – group of individuals that descend from more than one common ancestor Polytomy—3 or more taxa emerging from a single node who do not share the most common ancestor Homologies—Similarities resulting from descent from a common ancestor Analogies - Similarities…Which of the following is evidence that supports Darwin's theory of common descent? (Choose all that apply) There are patterns in the fossil record that suggest some species have diverged from a single ancestral species There are biogeographic patterns in the distribution of species, for instance, distinct bird species on an island tend to resemble one another, s ancestor There are common stages in the early embryological development of organisms in several distinct vertebrate groups. Anatomical structures, such as forelimbs, in different groups appear to be modified versions of structures that might have been present in a co Similar anatomical features in different organisms always indicated close common ancestry
- Structures in two different species may be similar because of either of two very different reasons. Describe these two reasons. You must use all four of the following terms in your explanation: homologous structures, analogous structures, convergent evolution, and divergent evolutionA bat wing and a cat paw have different functions but similar bones and development. Which term best describes the bat wing and cat paw (both are mammals)? Question options: Embryological structures Analogous structures Homologous structures Genealogical structures Which of the following is probably the best explanation for the fact that Antarctic penguins cannot fly, although there is evidence that millions of years ago their ancestors could Question options: The Antarctic home of penguins is flat and barren; therefore there is no place to fly. Ancestral penguins without large wings were better able to swim and feed in the water; therefore they passed their genes for shorter wings structure onto their offspring. Ancestral penguins did not use their wings for long periods of time; therefore today’s penguins have only tiny, nonfunctional wings. The cold and wind of Antarctica make flight impossible; therefore penguins that live…Genomics and Human Evolution The Denisovan genome contains sequences that originated from an unknown human species. Using Figure 19.11, speculate on which species this might be. Is it possible that there are other ancestral species that may remain to be discovered that would change the phylogeny presented in the figure? FIGURE 19.11 Estimates for the dates of origin and extinction for the three main groups of hominins (green, blue, and orange). The australopithecines split into two groups about 2.7 million years ago. One of those groups, the genus Homo, contains the ancestors to our species, H. sapiens.
