Homo floresiensis describe the fossil/ DNA etc. and where it comes from. Describe what makes this species different from previously discovered species. Describe one way it changes our understanding of human evolution.
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Homo floresiensis
- describe the fossil/ DNA etc. and where it comes from.
- Describe what makes this species different from previously discovered species.
- Describe one way it changes our understanding of human evolution.
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- 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.Scientists often talk about the evidence for evolution. Using the five types of evidence listed here, explain how each suggests the occurrence of evolution: 1) structural homologies, 2) molecular homologies, 3) developmental homologies, 4) fossils (general) and 5) transition fossils.I need help answering the big font question from my teacher presentation: If evolution is true then why do new species seem to appear out of now ehere in the fossil record?
- Which statement about molecular clocks is false? They must be calibrated with independent sources of data. They can be developed using amino acid sequence data. They are used to estimate the timing of past evolutionary events. They can be used for recent dates as well as for ancient dates. They display the same rate of change for all DNA molecules.PART I. THE THEORY OF EVOLUTION. DIRECTIONS: Complete the paragraph about evidence of evolution by choosing the correct word provided below. biogeography fossils homologous molecular vestigial The theory of evolution states that modern species have descended from ancestral species through evolution and speciation. It is supported by a large body of evidence such as found in geologic strata. These are remnants of ancient life that provide evidence for the evolutionary change through now-extinct forms that led to modern species. Modern species retain certain structures that arose from a common ancestor structures. Other remnants of what was once useful to the ancestors are or the findings of the original distribution of related species across the Earth the connections between ancient evidence, DNA sequences have also shed light on the occurrence of such as structures. Furthermore, we can infer from the landmasses. Finally, through some of the mechanisms of evolution.Which method provides the most accurate evidence for scientists to use when determining evolutionary relationships between two species of animals? identifying fossil patterns in rock strata where the animals live looking for similarities in the coloration and eating habits of the animals looking for similar vestigial structures in both species of animals comparing genetic sequences in the animals using samples of DNA 0000.
- The images below exhibit Y-5 molars. The left comes from a chimpanzee and the other is a zoomed-in image of Y-5 molars in a human. Why do these primates share the trait for Y-5 molars? Mark the best answer. Group of answer choices Unclear, cannot determine from the information given. Both inherited this trait from their common ancestor, which also had Y-5 molars. Convergent evolution, since both separately evolved Y-5 molars to adapt to dietary pressures. Random mutations, since having Y-5 molars is abnormal in these species of primate.There is no concrete evidence of which early hominin was our direct ancestor, as fossils do not contain genetics. Overall, the Australopithecines are the "missing link" bridging our ape to human transition. Each species, and there are a few, includes a combination of traits considered more ape-like or more human-like. How does this affect society feelings/views/ideas about early human evolution and what the "missing link" should or should not be.Whales and sharks both have dorsal fins which keep them stable while swimming through the water. This feature is very similar in both groups, despite them being only distantly related. The feature evolved independently in both groups. This is an example of a/an: Analagous structure Parallel evolution Homologous structure Preadaptation
- 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 evolutionDescribe the modern theory of evolution and discuss how it is supported by evidence from two of the following three areas;population genetics, molecular biology and comparative anatomy and embryology. Evolution is one of the major unifying concepts of modern biology. Explain the mechanism that leads to evolutionary change. Describe how scientists use each of the following as evidence for evolution ;bacterial resistance to antibiotics, comparative biochemistry and fossil records.Which of the following statements is correctly stated? Homology is due to ahared ancestry whereas analogy is due to convergentevolution. Analogy is due to shared anceatry whereas homology is due to convergent evolution. Homology is due to ahared biochemistry whereas analogy is due to shared molecular characteristics. Homology is due to shared morphology whereas analogy is due to shared molecular characteristics. S0000
